Does Sumatra allow printing documents to PDF. i.e. word document print to pdf rather than a regular printer.
Sumatra doesn’t have such feature.
SumatraPDF is a PDF and many other document formats READER but MSword.doc is not supported
Like any windows application if there is a PDF writer such as the one built into Windows 10 then any document read can be virtual printed.
How to Print to PDF in Windows 10 - Instructions for the Microsoft Print to PDF virtual printer included by default in Windows 10.
There are lots of similar free programs for older versions of Windows as well.