Reversing a JE in PAS is permission based
To reverse an JE, your account must have one of the following roles enabled:
Role: Company Admin, Accountant
Custom role with: Journal entries - Full access, Create and manage
You can only reverse Posted accounts journal entries (JEs) that haven’t been previously reversed - Unposted JEs can edited or deleted.
When reversing an JE you have two options:
Reverse - Creates a posted reversing transaction
Reverse and reissue - Creates a posted reversal and a new draft transaction
To reverse an JE:
In the left-side navigation, click the dropdown menu
In the dropdown menu, select the name of the project that you want to reverse an JE for
In the left-side navigation Accounting menu, click Journal entries
On the Journal entries dashboard, click the three dots next to any Trans. # that has a status of Posted, and select either Reverse or Reverse and reissue

Select a project, click Journal entries, and then click the three dots next to a Trans. # to make your selection