GroupDocs.Annotation does not set the font size correctly for Excel documents using .NET framework 4. 8 and .NET 6.0
https://gist.github.com/groupdocs-com-kb/ecbaf2a4b6e40c70e4860002e6266fef
You can use any excel document with some sheets to reproduce this issue.
@tahir.manzoor
This issue is reproduced at our end. Hence, we have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.
Issue ID(s): ANNOTATIONNET-2251
You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.
If you are using the AutoScale property, it automatically locks FontSize (font size calculating depending on annotation size). So if you want to change watermark FotnSize you should to set AutoScale = false. The documentation page is also updated.