Advanced workflow - Replace approvers

To replace the approvers for a single rule or multiple rules:

Step 1 - Select the desired Rule(s) 

Step 2 - Select Replace Approvers

Step 3 - Go to the Replace box

Step 4 - Search for the Approver to be replaced.

Step 5 - Search for the Approver in the With box 

Step 6 - Select Replace at the bottom right of the popup box