Expormim Kotai dining set

Huma upholstered armchair
https://www.expormim.com/products/huma-dining-armchair-4/ 
Dimensions: 60 x 57 x H 78 cm
Kotai dining table
https://www.expormim.com/products/kotai-dining-table-4/ 
Dimensions: 180 x 100 x H 75 cm
Polys: 184,588
Verts: 258 322
Turbosmooth enabled in Render Iteration – 1.
Who works in V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is 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. ”
If CORONA version is higher than 1.4: “For Corona render, it is recommended to install a version not lower than 1.5, as the glossiness of materials is adjusted with PBR in mind.