Making an HTML report works fine (I don't understand why there isn't an option to just save the .htm file instead of having to make a .pdf)
Making a report manually or by schedule to a PDF does not work - I can see 6 chromium processes start with one taking growing amounts of memory, but nothing ever progresses. I am sure the Print spooler service is started, and I tried uninstalling NPCAP and reinstalling PRTG, as other knowledge base articles lead you to believe are the fix, but none of this has helped.
Running PRTG Network Monitor 21.4.73.1656 x64 on Windows 10 Pro 21H1