who works with V-Ray version "lower than 3.1, pay attention to materials section BRDF (microfaset GTR (GGX)), if your version is older than 3.1 - this section will be empty, and you have to choose: Blinn, Ward or Phong, d dependence on materials. "

for Corona render, it is "recommended to install a version of at leasr 1.5, since the glossiness of materials is configured considering PBR."

Render: V-Ray + Corona
Format: 3DsMax + FBX + OBJ