| AlignmentType | Class contains possibly alignment types. |
| AutoRotateMode | Direction of the rotation when document is printed. |
| BlendingColorSpace | Class represents blending color space. |
| Bookmark | Represents a bookmark. |
| Bookmarks | Represents a collection of Bookmark objects. |
| CgmPdfProducer | Represents a class to produce PDF from Computer Graphics Metafile(CGM) format. |
| DataType | Enumerates field types definitions. |
| DefaultMetadataProperties | Enumeration of standard XMP properties. |
| DocumentPrivilege | Represents the privileges for accessing Pdf file. |
| EncodingType | Enumerates encoding types of the text using. |
| Facade | Base facade class. |
| FontColor | Class representing color of the text. |
| Form | Class representing Acro form object. |
| Form.ImportStatus | Status of imported field |
| FormEditor | Class for editing forms (adding/deleting field etc) |
| FormEditorWeb | Class for editing forms (ading/deleting field etc) |
| FormFieldFacade | Class for representing field properties. |
| FormWeb | Representing Acro form Interface. |
| FormattedText | Class which represents formatted text. |
| LineInfo | Represents the information of line. |
| PdfAnnotationEditor | Represents a class for work with PDF document annotations (comments). |
| PdfBookmarkEditor | Represents a class to work with PDF file’s bookmarks including create, modify, export, import and delete. |
| PdfContentEditor | Represents a class to edit PDF file’s content. |
| PdfConverter | Represents a class to convert a pdf file’s each page to images, supporting BMP, JPEG, PNG and TIFF now. |
| PdfExtractor | Class for extracting images and text from PDF document. |
| PdfFileEditor | Implements operations with PDF file: concatenation, splitting, extracting pages, making booklet, etc. |
| PdfFileEditor.ConcatenateCorruptedFileAction | Action performed when corrupted file was met in concatenation process. |
| PdfFileEditor.ConcatenationProgressHandler | Represents class with abstract method that usually supplied by calling side and handles progress events that comes from concatenation. |
| PdfFileEditor.CorruptedItem | Class which provides information about corrupted files in time of concatenation. |
| PdfFileEditor.PageBreak | Data of page break position. |
| PdfFileEditor.ProgressEventHandlerInfo | This class represents information about concatenation progress that can be used in external application. |
| PdfFileEditor.ProgressEventType | This enum describes possible progress event types that can occure during concatenation |
| PdfFileEditorWeb | Represents PdfFileEditorWeb class |
| PdfFileInfo | Represents a class for accessing meta information of PDF document. |
| PdfFileMend | Represents a class for adding texts and images on the pages of existing PDF document. |
| PdfFileSanitization | Represents sanitization and recovery API. |
| PdfFileSecurity | Represents encrypting or decrypting a Pdf file with owner or user password, changing the security setting and password. |
| PdfFileSignature | Represents a class to sign a pdf file with a certificate. |
| PdfFileStamp | Class for adding stamps (watermark or background) to PDF files. |
| PdfFileStampWeb | Class for adding stamps (watermark or background) to PDF files. |
| PdfJavaScriptStripper | Class for removing all Java Script code. |
| PdfPageEditor | Represents a class to edit the PDF file’s page, including rotating page, zooming page, moving position and changing page size. |
| PdfPrintPageInfo | Represents an object that contains current printing page info. |
| PdfProducer | Represents a class to produce PDF from other formats. |
| PdfQueryPageSettingsEventHandler | Represents the method that handles the QueryPageSettings event of a PrintDocument. |
| PdfViewer | Represents a class to view or print a pdf. |
| PdfXmpMetadata | Class for manipulation with XMP metadata. |
| PositioningMode | Defines positioning mode. |
| PropertyFlag | Enumeration of possible field flags. |
| ReplaceTextStrategy | This class contains parameters which define PdfContentEditor behavior when ReplaceText operation is performed. |
| SaveableFacade | Base class for all saveable facades. |
| Stamp | Class represeting stamp. |
| StampInfo | Class representing stamp information. |
| TextProperties | Represents text properties such as: text size, color, style etc. |
| VerticalAlignmentType | Class representing possible vertical alignment values. |
| ViewerPreference | Describes viewer prefereces (page mode, non full screen page mode, page layout). |
| WordWrapMode | Defines word wrapping strategies |