Vray Environment Background -
V-Ray offers several ways to handle the background depending on the software you use (3ds Max, SketchUp, Rhino, etc.):
To place a 3D model onto a real photo background: vray environment background
Navigate to .
The Issue: Your HDRI background is too bright, overpowering the model. The Fix: You need to control the exposure of the background independently of the lighting. V-Ray offers several ways to handle the background
It provides lighting, reflections, and a visible background simultaneously. vray environment background
The Issue: You used a Backplate (Method 3), but your windows are reflecting pitch black or a grey void instead of the sky. The Fix: The camera cannot see the environment background because you turned it off.