Azure AD makes single-sign on and access management for Freshservice super simple for your entire organisation. Having a SSO increases the efficiency of internal operations, improves security and reduces the need to create and store passwords * Enterprise Single Sign-On - Azure Active Directory supports rich enterprise-class single sign-on with FreshDesk out of the box. Users sign in using their organizational accounts hosted in Active Directory. * Easy Configuration - Microsoft Azure Active Directory provides a simple step-by-step user interface for connecting FreshDesk to Azure AD. You can control in Azure AD who has access to FreshDesk. You can enable your users to automatically get signed-on to FreshDesk (Single Sign-On) with their Azure AD accounts. You can manage your accounts in one central location - the Azure portal. Use this Azure Active Directory Integration to make log in and access super simple

Read complete instructions on https://docs.microsoft.com/en-us/azure/active-directory/saas-apps/freshservice-tutorial