The Commands allow you to perform various tasks.
V-Ray Convert Bitmaps – Convert C4D Texture Map Channels to Vray Shaders (TexXSIBitmap)
V-Ray Convert AdvBitmaps – Convert to Correct VrayBitmaps
V-Ray Reload Bitmaps – Reload VrayBitmaps in texture channel of V-Ray Materials
V-Ray Instance Resolver – Reduce scene complexity by replacing multiple occurrences of the same object by render instances.
V-Ray Make Render Instance – make render instances from instances.