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....app About About Us Contact Customers Legal Security Events Acquisition...and you can set colors such as font_color , underline_color , and...