With my Z6 iii:
24-120: The VR field is blank. No lens VR. (it's not needed with the camera IBIS.)
100-400: The VR field says "ON (Normal)" The lens has VR (even though there's no lens VR/On/Sport/OFF switch.
Yes, it appears to be just Lens VR. I wonder why?
Probably because having it say something like "Off" would be wrong in some respects since some lenses don't have VR at all. So it doesn't say anything for those lenses, which is "true" (there is NO VR). I guess they could have put "N/A" for lenses without VR.