Do not use "On-demand mip-mapping" with Metal. It causes memory leaks on macOS. Keep it at "Fully loaded."
If the V-Ray toolbar doesn’t appear in SketchUp, go to Extensions > V-Ray > Toolbars > Main . vray for sketchup mac os
The latest version, V-Ray 6 (and V-Ray 7 beta as of late 2025), includes specific features that change the Mac experience. Do not use "On-demand mip-mapping" with Metal