If your image appears grainy, decrease the Noise Threshold or increase the Max Subdivisions in the Image Sampler settings.
While the professional suite is a paid investment, Chaos offers a for users to test these capabilities. For students and beginners, the transition from SketchUp's basic interface to V-Ray's sophisticated settings provides a clear path from hobbyist modeling to professional architectural visualization. System Requirements - V-Ray for SketchUp - Chaos Docs
This feature allows you to adjust the brightness and color of your lights after the render is finished, saving hours of re-rendering time. System Requirements for 2023 Stability