It’s not related to builder but to WooCommerce plugin. Follow the docs if you want to sent notification to admin about new accounts https://docs.woocommerce.com/document/notify-admin-new-account-created/
For other types of emails you can manage recipients from the WooCommerce > Settings > Emails > Manage email type and add recipients https://prnt.sc/1us0e2i
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.