למידע נוסף על המוצר של GroupDocs והצעת מחיר:

Provides end users with the ability to annotate Microsoft Office, PDF and other documents within your .NET apps. The library comes with a comprehensive set of markup tools, which enable your users to highlight, strikethrough, and comment on text and images. Annotated documents can be printed out and exported to PDF or Microsoft Word right from a web-browser.