I see a lot of 500 errors in the console https://prnt.sc/22six5d
Try to disable veb-variation-swatches-pro plugin, enable theme variation swatched and check after that.
Contact plugin author to fix the mentioned errors if you want to use third-party plugin for the variations instead of the built-in option.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.