All collaborations are campaign-based, and you can have multiple active campaigns at the same time. You can have a total of 2 active campaigns at a time, which can be either public or hidden.
Depending on which pricing package you have purchased, you can have 10, 20, or 40 active influencers on a campaign.
You can see your active campaigns under "Campaigns", and under the "Active" tab. This is shown below:
