I think, there is only one task board per project and all columns are visible for everyone in this project.
Maybe the rapid board fits your needs. There you can define a filter on your own and share this filter which whom you want. Rapid Boards are not project specific and there can be several of them for one project.
Have a look at these: https://confluence.atlassian.com/display/GH/Using+the+Rapid+Board
Atlassian ranks project attributes as the third most important factor impacting performance in the category of data. It’s not surprising, since project attributes are precisely the rules used to ma...
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