To override a material with a V-Ray material, make sure that you have created the V-Ray material in the Asset Editor. Then click on the V-Ray icon menu () in the Appearance Manager and select the V-Ray material.
Hide Decals – When enabled, hides Revit decals during rendering.
Keep Relief Pattern – When enabled, keeps the original bump/displacement of all materials when applying global overrides.
Use Revit Shading Colors – When enabled, overrides all materials with the corresponding Revit shading colors.
Render Enscape Materials – When enabled, the Enscape material properties are applied to the V-Ray rendering. Materials that contain such properties are indicated in orange color in the Material tab. When promoting a material to the V-Ray Asset Editor, its Enscape version is promoted.