How can the potential Approvers in Azure DevOps be restricted?

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In Azure DevOps, potential Approvers can be restricted by using the following steps:

1. Go to the project settings in Azure DevOps.

2. Select the "Permissions" tab.

3. Find the "Approver" role and click on it.

4. Remove any members or groups from the role that you want to restrict.

5. Add specific members or groups to the role that you want to grant access to.

6. Click on "Save" to apply the changes.

Note: Make sure to review the permissions matrix to ensure that the appropriate level of access has been granted to the restricted and granted members or groups.