Azure Active Directory Premium P1

Designed to empower organizations with more demanding identity and access management needs, Azure Active Directory Premium edition adds feature-rich enterprise-level identity management capabilities and enables hybrid users to seamlessly access on-premises and cloud capabilities. This edition includes everything you need for information worker and identity administrators in hybrid environments across application access, self-service identity and access management (IAM), and security in the cloud.

Source: https://www.techsolworld.com/zh/product/azure-active-directory-premium-p1-annual/