You will not be able to edit an expense that has already been reimbursed. However, you can undo the reimbursement in Zoho Expense to edit the expense in Zoho Books or Zoho Expense.
Note: Only admins in Zoho Expense will be able to undo a reimburse expense.
To do this:
Once you undo the reimbursed report, you will be able to edit the expense that has been associated to the report.
Books
Online accounting software
for small businesses.