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....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.