GroupDocs.Annotation for Python via .NET adds annotations, markup, and review comments To documents and Images through a single, format-independent API — text markup, shapes, watermarks, Image and link stamps, text fields, threaded replies, versions, and import/export — and saves the result back To the original format....document with Annotator , add one or more annotations with add()...Watermarks, text fields, links, and image stamps Add a WatermarkAnnotation...