Huh, I can't edit my post. Anyway, hopefully this will be approved before you have to respond.
Found https://zanevaniperen.com/kb/0015-force-…lec-pulseaudio/, with a link to a helpful forum post as well.
After a bit, got Kodi switched over to Pulse and working (at least, GUI sounds, not sure about pass-through). Then had to manually edit the snapclient service file to get it to start up, and apparently connected to Pulse, and connected to my snapserver. Unfortunately, no audio output
I'll have to pick back up on this later unfortunately. Anyone have any thoughts on this?