Go to Enterprise ERP > System Administration > Security > Roles
Select the Budget Folder
Select Search
Under Maximum Budget Level, check off levels you want to search
Select Accept
This will then load all the roles granting access to these budget levels.
Select Browse to see the whole list on one page.
From the Browse page you can select Excel in the ribbon to export the list to excel.
Once you have the list of roles granting access to the budget levels go back to the main Roles screen
Search for a role on the list
Select the Assigned Users tab to see which users are assigned to the roles with this budget level access.
Repeat Steps 8 and 9 for all Roles with the permission to create a list of all users with this budget level access.