Our app does not support the feature that has an option to approve customers before they could access the restricted page.

However, we would like to give you the details solution to do it as below.

Step 1: add customer tag aproved in the admin
Step 2: edit theme and add code and customer.tags contains "aproved"
Please double-check and follow our guide to update it on your store.

Please don't hesitate to contact us if you need any help.
We are happy to support you.