website: https://www.lightology.com/index.php?module=prod_detail&prod_id=1286515&option_id=889782&srsltid=AfmBOorLQoUIZa_Zwkjf6rrTxNnYOCQS2S1MbeMJtXwONEpBLGUNr-FR 

For Corona render, it is recommended to install a version of at least 1.5, since the glossiness of materials is configured considering PBR. Do not use scripts for converting from Corona to Vray. There are some Maps ( like Corona BitMap ), which cannot be converted with automatic Script and it will be some Missing textures, like Corona BitMaps, which VRay cannot render. Convert all materials manual.