I was masquerading as another author and I could see a course that I created and edit it. This could cause some issues with multiple authors.
I received this info from Bridge support which might serve the purpose you're seeking:
"You can limit content editing to course owners, which will ensure that only the person who created the course is able to edit it. This setting must be enabled by Bridge Support and does limit who can Author anything to just the original author of ALL courses, not just for this Program."
I believe that is correct. Additionally if you have a group that has view but not edit permissions, a custom role can be set up.
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