Take the following steps to restrict login as customer permissions:
1. Navigate to System> Permissions > User Roles.
2. Choose the existing role or create a new one.
3. Set Role Resources
Find checkboxes for Login As Customer in "Role Resources" tab and check permissions you want to add to this role. Then save.
Ihor is the founder and the CEO of Magefan who likes to share his experience and technical tips with motivated Magento learners. He is a certified Magento developer with more than 11 years of experience developing solutions that get hundreds of thousands of downloads. Ihor loves to spend time with his family and can never pass by an interesting book...