Hi,
You can absolutely avoid adding users one by one, but there's an important distinction in how Power Pages handles security.
Power Pages does not directly support assigning Microsoft Entra ID (Azure AD) security groups to Power Pages Web Roles. Instead, every authenticated visitor becomes a Contact record in Dataverse, and permissions are granted through Web Roles associated with those Contact records.
Here are a few approaches:
If your users sign in with Microsoft Entra ID, enable Entra ID as the authentication provider. The first time a user signs in, a Contact record is automatically created (if configured).
Create a Web Role (for example, "Employees") and assign the required Table Permissions to that role.
If you have a large number of users, automate the assignment of the Web Role using Power Automate, a Dataverse plug-in, or another automation when a new Contact is created or when the user signs in.
If access should be limited to members of specific Entra ID groups, you can retrieve the user's group membership (for example, using Microsoft Graph in a custom solution) and automatically assign the appropriate Web Role.
So, while you can't directly map an Entra ID group to a Power Pages Web Role out of the box, you can automate the process so administrators don't have to manage users manually.
If your users are all internal employees, I'd recommend using Microsoft Entra ID authentication together with automated Web Role assignment. It's the most scalable and maintainable approach for enterprise scenarios.