Expense Report Disappeared From Employee Expense Home Page After Manager Approved

We are in middle of SIT2 and Expense Reports (ER) that are created and approved by Manager are disappeared from employee expense report page.

The ER is only showing in back end data, we can able to view the report only in AP_Expense_Report_Headers_All and AP_Expense_Report_Lines_All (headers, and lines).

The WF status is showing as Block