Thanks
for your inquiry. In case you are using an older version of Aspose.Words, I would suggest you please upgrade to the latest version (v14.11.0) from here and let us know how it goes on your side.
Also,
please note that Aspose.Words requires TrueType fonts when rendering
documents to fixed-page formats such as PDF, XPS or SWF. Please install
the required fonts on your linux machine and refer to the following
articles for details: