The model file contains 3 chair variants with customized materials.

The Turbosmooth modifier in the Render Iters mode is applied to the seats and the line seams. 2

Model: DSW DEEP
Color white black beige
Disassembled: Yes
Material: ABS plastic artificial leather
Rotates: No
Reclines: No
Material of legs: Steel wood
Adjustable height: No
Volume of packing: 0.18 m3
Width 53 cm
Depth 57 cm
Backrest height: 80 cm
Weight gross 4.82 kg
Manufacturer: China

https://e-mall.su/plastikovye-stulia-dsw-deep-dizain-charlesa-i-rei-eims-eames-nozhki-svetlye/

Who works in the V-Ray version is lower than 3.1. Be careful the materials in the BRDF section are Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you.