Magento 2 B2B Customer Approval extension offers a wide range of features, including manual and automated approvals, customizable notification templates, and bulk approval options.https://store.webkul.com/magento2-customer-approval.html The extension restricts the customer to register and create an account on the Magento 2 store. Now, the store admin can decide and verify the customer, then approve or reject the registration request to create an account.
B2B Customer Approval for Magento 2