Enable the Close all associated incidents option under Setup>>Automation>>Closure Rules>>Problems.
You can configure this under Setup -> Automation -> Closure Rules -> Problems -> Copy problem solution and workaround to all associated incidents.
Only the changes that are approved by the Change Manager will be listed under Approved Changes. According to ITIL, the Change Manager decides whether to approve or reject a change.
The change type you've selected is standard changes, which are pre-approved.
Yes, the change can still be implemented as long as the change manager approves it.
Check the other FAQ modules or you can contact our support team at sdp-ondemand-support@manageengine.com