PhishFirewall Onboarding: Adding Users (Microsoft)
So, for this step you will be handling this through your admin account, that you should have received an email with instructions on how to set up.
You will need to allow PhishFirewall API access to your Azure AD to get an updated list of Users.
You will click the "Sync" button on the side menu and select the tool your organization uses. If you have any issues feel free to reach out to your Customer Success Manager.