Regarding WORDSNET-21868, we have completed the analysis of this issue and concluded to close this issue with “not a bug” status.
Please try to Enable OpenType Features of Aspose.Words for .NET and see how it goes on your end? This Document can be rendered correctly to GDI (see output with HarfBuzzTextShaperFactory.jpg (85.5 KB) i.e. produced with the help of Aspose.Words.Shaping.HarfBuzz):
Document doc = new Document(@"ArabicText.docx");
doc.LayoutOptions.TextShaperFactory = HarfBuzzTextShaperFactory.Instance;
doc.Save(@"output with HarfBuzzTextShaperFactory.jpg");
Please also refer to: Enable OpenType Features