Yes. Through your Ad Manager Desktop you will be able to view the number of impressions and click throughs for all of your ads.
Additionally, you can stop and start your ads at any time. When your ads are getting low on impressions, click throughs or are expiring by date, simply
click the "ADD ON" button and your ads won't miss an impression.
You can also change your banner or text ad at any time to include changing the TARGET URL...