We use aspose.words to convert rtf files to pdf. There is a problem with frames placed in a page header with certain aspect ratios.
Attached is an example rtf where the page body text is rendered, but the text in the frame is not rendered (not visible in pdf)
marcel.rtf.zip (11.8 KB)
Tested with latest Aspose.Words version 21.10.0 in dotnet 5.0.1