Value Summary page can be used to review the calculated cost and revenue values against your Schedule of Work Estimate. You will be able to review your cost/revenue values in Project level, Sup Project Level or Activity Level based on your requirement.
When the reviewer is happy with the estimate, all the Schedule of Work item lines and then the header should be Approved.
All the Schedule of Work item lines should be in ‘Under Review’ status and Schedule of Work header should be in ‘Under Approval’ status.
Your estimate will be in Approved status.