If you want your customers to receive Invoice on email there are several settings which you can check and set as per your requirements. To enable this go to Invoice Settings and look for “Automatic Email Notifications for Customers” under this heading there are 4 options which are self explanatory, you can decide as per your requirement. If you want to receive a copy of email specify your email in “Automatic Email Notifications for Site Admin (Owner of Store)” and Check the check box.
