GroupDocs.Annotation for .NET offers advance set of APIs to add, edit or customize annotations to document pages in C#, ASP.NET and any type of .NET applications. You can easily annotate a variety of business documents like Microsoft Word, Excel, PowerPoint, PDF, OpenDocument, AutoCAD, Diagrams and image files with a variety of annotation types including area, point, text, ellipse, link, underline, polyline, arrow, distance and watermark.
Text-Replacement, Text-Redaction and exporting annotations to multi-page TIFF files are newly supported unique features of GroupDocs.Annotation to let developers manage annotations according to customized requirements.
This is Indirect access to the GroupDocs.Annotation .NET API. Please refer to the corresponding SDK below.