Sharing OmniOutliner with a workgroup

I’m considering having a team at work share some OO outlines. I’m guessing we’ll all share the docs via OmniPresence. What are some of the do’s and don’ts we should be aware of?

Does everyone have read and write abilities? Should only one person be using an outline at the same time? s there some way to guard against this “conflict copies” that pop up so often?

Any advice?