If you use the Facebook Single Sign-On (SSO) to log in to Method and want to remove that access from Facebook, follow the below steps to delete Method from your Facebook Account.
Log in to Facebook,and from your account preferences, click Settings & privacy.
Click Security and login.
Click Apps and Websites.
Find Method:CRM and click the Remove button.
A pop-up will confirm what you want to be removed. Click the Remove button.
Congratulations, you have successfully removed Method from Facebook.