The suppression rule isn’t working.

The trigger suppression rule for a pop-up CTA will only work if the visitor clicks on the close “X” to opt out the pop-up. 

If you have an alternative close button, you need to make sure your have the "Close out current CTA" and "Disable conversion tracking" switches enabled for the suppression rule to work:

If you have a button to redirect the visitor to another URL or CTA, then the suppression rule won’t work. We suggest using a targeting condition if you’d like the pop-up to be seen by visitors that haven’t converted with it. 

Please check out our “Targeting conditions guide” to get more info on each one of our targeting conditions.