Native Python library that adds, edits, and removes annotations and markup — area and shape annotations, text highlight/underline/strikeout, watermarks, image and link stamps, and threaded comments — on Pdf, Word, Excel, PowerPoint, images, CAD, Visio, and email files on Windows, Linux, and macOS. No Microsoft Office or Adobe Acrobat required....Signature Product Solution GroupDocs...first page of a PDF with Annotator ( "input.pdf" ) as annotator...