Unable to Retrieve Users from Azure AD in Angular SPA

Question

I am using work account and authenticating a user through Microsoft Azure AD in my Angular application(SPA). After successfully logging in, I need to fetch all user details from Microsoft AD using the API endpoint: https://graph.microsoft.com/v1.0/users.

To achieve this, I acquire an access token using the acquireTokenSilent method and attempt to include it in the request's Authorization header, as shown in the following code snippet:

getADUsers(): Observable