You might find an old archived copy of it but nothing that would be very useful if you intend to run a modern browser and other tools like that. For curiosity's sake you could.

There used to be a one-floppy installer with the desktop on it, I'm sure you could get that to work in a VM.

Lots of screenshots:

https://www.operating-system.org/betriebssystem/_english/bs-...

Docs:

https://www.mikecramer.com/qnx/qnx_6.1_docs/sysadmin/intro.h...

Unfortunately I can't seem to locate any disk images, rumor has it there was a VMWare image floating around.