VR-only user, here. I played around with Navigraph 8.0 in the desktop app, and it is nice.
Is it a bummer that it won’t be available via the in-game panel? Yes. Will that stop me from using the Navigraph in VR? No.
I find having accurate, up-to-date charts and navdata essential for flying on VATSIM to simulate real-world flights. Even without the nifty new features of version 8, I still find Navigraph essential and a good value for my simming dollar.