As a preview delegate for an approver, you can review expense reports on their behalf and mark them ready for their review and approval.
Log in to Concur using your credentials.
There are several ways to go to Required Approvals from the home page (Figure 2):
Note: Preview delegates can review and modify expense reports on behalf of an approver, but cannot approve the reports. Expense reports can only be approved by the approver who they were submitted to.