Which (like 3ds Max or SketchUp) are you currently using?
V-Ray Lens Effects: Enabled bloom and glare effects directly within the frame buffer. The Professional Standard: V-Ray 3.0 to 3.6
V-Ray 3.4: Added Denoiser technology, significantly cutting down render times by removing grain through post-processing. vray all versions list
Stereoscopic Rendering: Added support for 3D camera workflows.
Adaptive Dome Light: Removed the need for light portals in interior scenes. Which (like 3ds Max or SketchUp) are you currently using
Layer Compositing: Added a full compositing suite directly inside the V-Ray Frame Buffer (VFB).
V-Ray 3.6: Introduced Hybrid Rendering, allowing the engine to use both CPU and GPU simultaneously. The Intelligence Era: V-Ray Next (Version 4.0) vray all versions list
V-Ray 3.0 was a massive overhaul, focusing on making the interface cleaner and the engine faster for high-end production.