The scene contains the following models:
– a model of the sofa of the Swiss factory de Sede ds-247/03: dimensions (275x98x84) manufacturer’s website: https://www.desede.ch/en/DS-247 
– model of the table of the Swiss factory de Sede ds-615 / 91A: dimensions (60×36) manufacturer’s website: https://www.desede.ch/en/DS-615 
– model carpet books vase.
On all models the correct grid and UV coordinates are used normal maps and displacement are used. It is recommended to use a turbosmooth modifier with rendering iterations 1 before rendering.
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For Corona render it is recommended to put a version no lower than 1.5 since the glossiness of materials is configured with PBR
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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.