How to customize the expense report creation page

Summary: we have ask from client where we can add the field to display the eligible/uploaded policy rate based on employee grade/role/position.

When employee logs in and try to create the expense report right they wan view how much they are eligible then they can create and submit the eligible expense report.

Content (required):customize the expense report creation page

Version (include the version you are using, if applicable):22D

Code Snippet (add any code snippets that support your topic, if applicable): See below screen shot specifies i have added the accommodation 100, entertainment 200 which is already uploaded. Can we create and display a field to show them uploaded eligible rates.