Can you give us more information about your issue? How are you trying to edit the plugin's file? Can you elaborate a bit the quoted sentence below? Are you trying to give them "editor" permissions through the WordPress admin panel or for SSH command-line access?
Not sure how to set the permission levels for my team
Apart from that, we have a Support Tool that will gather relevant information for us to analyze your configuration and logs. Could you please execute it on the machine where the stack is running by following the steps described in the guide below?
How to Run the Bitnami Support Tool
Please note that you need to paste the code ID that is shown at the end.