This feature is part of Scoop.it Enterprise

With this feature you can allocate curation rights to other Scoop.it users - empowering them to be your co-curators. In order to do so, go to your topic's "Team" menu. 

To add co-curators, simply add their usernames or their email addresses and click Search in the screen below:

Co-curators will now have the rights to publish content directly without requiring your approval on their content ideas.