You can create various report related to Expenses,

To create an Expense report

  • Go to the Reports tab in Salesforce and
  • Click the New button,
  • Search for Expenses in the "Search Report Types" field
  • You see multiple options for creating the Expense report,
  • Select what details/object you want to see in the expenses report
  • Click the Continue button, and select the fields from the list that you want to see in the report and Save it.
  • Now the report is created and Saved, and you can refer the report whenever you want it.