Plugin does not work at all

Hello everyone,
I use WooCommerce and your plugin. Unfortunately, newly created user accounts are activated immediately and the new user can also order immediately when the user clicks on the link from the activation email. So unfortunately the plugin does not work at all. I only receive a notification that a new account has been created and can then subsequently reject this. However, even the rejection is useless, as the customer can still order via exactly this account. What is the reason for this, or what settings do I have to make so that the plugin does its job and orders are prevented until I have manually approved the account?
Thank you for your help.