groupdocs 2 viewer 2 html viewer 2 document viewer 2 annotation 2 document annotation 2 image annotation 2 pdf annotation 2 document assembly 2 e-signature 2 electronic signature 2 comparison 2 conversion 2 document conversion 2 pdf 2 word 2 excel 2 powerpoint 2 html 2 cad 2 tiff 2 GroupDocs.Total for Python via .NET 1 GroupDocs.Comparison for Python via .NET 1 GroupDocs.Viewer for Python via .NET 1 GroupDocs.Watermark for Python via .NET 1 document viewing 1 document watermarking 1 compare documents 1 view documents 1 add watermarks 1 remove watermarks 1 Python document management 1 API 1 Microsoft Office 1 PDF 1 raster images 1 TIFF 1 JPEG 1 GIF 1 PNG 1 BMP 1 line-by-line comparison 1 paragraph comparison 1 character comparison 1 style comparison 1 shape comparison 1 position comparison 1 document rendering 1 HTML 1 JPG 1 document formats 1 document metadata 1 text watermark 1 image watermark 1 OpenDocument 1 DOC 1 DOCX 1 XLSX 1 PPTX 1 DWG 1 DXF 1 PSD 1 AI 1 CDR 1 PDF rasterization 1 email attachments 1 Office cloud font 1 render files 1 file information 1 document attachments 1 watermark search 1 watermark removal 1 watermark application 1 Microsoft Word 1 Microsoft Excel 1 Microsoft PowerPoint 1 Microsoft Visio 1 OpenOffice 1 Email 1 Fixed Layout 1 file types 1 document types 1 Windows 1 Linux 1 macOS 1 Python 3.11 or later 1 installation 1 pip install 1 upgrade package 1