A cloud-based identity and access management service for securing user authentication and resource access
Hello,
Yes, this is certainly possible, and it is a very common scenario. You can create a federation between your Azure AD and Google, and allow users to login with Google accounts without the need to create Microsoft accounts or identities for them.
Here are a few resources that can help you with that:
Please let me know if this answered your question or if you need more information.
Thank you,
Vukasin