There is a problem between Divi theme (last version installed) and WC Catalog Mod, Wholesale & Role Based Pricing (last version installed).
It’s probably a CSS conflict.
When the “Remove Add to Cart” is check, all that is after the [hidden] button Add to Cart is broken :-/
We have to check this at your website. Can you raise a ticket via support.xadapter.com
In the ticket, we request you to your website so that we can check the issue.