Register user with User Role

You can set allow your customer to register user. You have the right to allow or deny when your customer registers.

Step1: you need mark Allow customers to create an account on the "My account" page in setting: Dashboard -> WooCommerce -> Settings -> Accounts & Privacy

You can chose User Role display in form Resgister in settings: Dashboard -> WooCommerce -> Settings -> General -> Role For Register

When your customer register form. you need active user, then your customer can use.