We use Aspose.Words for Python via .NET for:
DOCX ↔ HTML conversion
HTML → PDF export
Document compare / redline (Document.compare), with DOCX output
Occasional PDF input loaded via aw.Document
We are evaluating PDF s…...that leads into the different DOM build by Aspose.Words and as...is loaded into Aspose.Words DOM, which is MS Word document centric...