Yes, VR headsets are not as clear and perfectly focused as monitors.
With the Reverb G2, however, I have a very good experience in terms of instruments readability. Make sure that Resolution scaling in the sim (VR section) is set to 100% and if you need more performance, rather set the resolution scale in OpenXR Developer tool to less than 100%.
The ingame setting affects the readability of the instruments much more than the external OpenXR setting.