The SSO Setup Suite, or S4, from Descope is a standalone self-service portal designed to streamline the process of setting up Single Sign-On (SSO) for B2B tenant administrators, significantly reducing the time and complexity traditionally involved. It offers step-by-step guides for SSO and SCIM setup, supports a wide range of identity providers, and includes advanced features such as mapping configurations and a comprehensive testing tool to ensure accurate user data synchronization. S4 also addresses common challenges like the creation of temporary user identities, domain verification, and access control, while providing SDK and API support for developers to integrate and customize the setup process. This suite helps accelerate onboarding by making SSO configuration more accessible and manageable, ultimately enhancing security and efficiency for businesses.