Need clarification on Approval functionality in the Change module

Need clarification on Approval functionality in the Change module

Can you please clarify how the approval process works in the Change module?
  1. When more than one CAB member is added for approval, shouldn't they both get a notification email?
  2. What if there is only one CAB member added and that person approves the change. THEN, a second CAB member is added. Will the newly added CAB member receive a notification email stating that they have a change to approve?
  3. If there is more than one CAB member added for approval on a change, do they both have to approve the change OR is one approval enough to mark the change approved?

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