Request and grant permissions to Azure APIs for the Azure app for SharePoint Online.
Procedure
In the navigation pane, click API permissions.
Click Add a permission.
The Request API permissions pane appears.
Click the Microsoft Graph tile.
Click Application permissions.
Select the following permissions:
Application.ReadWrite.All
Directory.Read.All
Group.ReadWrite.All
Reports.Read.All
Sites.FullControl.All
Sites.Read.All
User.ReadWrite.All
User.Read.All
Click Add permissions.
Click Grant admin consent for tenant_name.
Click Yes.