Depending on your company setup, your expense goes through a specific approval workflow and receives different status before reaching your finance department. Once your expense is reported, it means it has been included in the accountancy report and a reimbursement can be expected, if it's applicable.
To check where your expense is now, the stages it went through and who is your approver/controller, you can consult it's history. Simply go to Expenses tab > Select an Expense > On the left pane, choose History
This section will give you the following details:
Date and Time Stamps
Who did the action
Approver and/or Controller Name.
NOTE: Each expense has a unique Expense ID (ex: XPD123456789). You can use this ID code in the search filter to find your expense quickly.