If you enabled tracking on campaign or message level, you will be able to see actions that are taken for your campaign.
You can track the number of actions: when messaged was opened, when link was clicked or when contact unsubscribed from future communication.
Navigate to the campaign list 'omniMarketer \ Campaigns' and from options dropdown choose 'Campaign Actions'.
Campaing Actions logs has a list of all the links in your messages that where clicked, how many times, and when was a last click recorded.