The first step in reducing the number of credentials each employee must maintain when using multiple SaaS applications is to select an Identity Provider (IdP). An IdP provides a centralized authentication service that supports Single Sign-On (SSO), enabling users to access multiple applications with a single set of credentials.
Enabling SAML would be part of the technical implementation but comes after selecting an IdP.
OAuth tokens are used for authorization, but selecting an IdP is the first step in managing authentication.
Password vaulting stores multiple passwords securely but doesn't reduce the need for separate logins.