Facebook at Work is integrated with Azure Active Directory to provide single sign-on and provisioning to organizations using this application.
Azure Active Directory provides single sign-on to thousands of cloud (SaaS) apps and access to web apps you run on-premises. Built for ease of use, Azure Active Directory features multi-factor authentication (MFA), and holistic identity protection through security reports, audits, alerts and access control based on device health, user location and risk-based adaptive policies.
Facebook at Work is a featured application in the Azure Active Directory application gallery