Yes you can. By using Notification Settings in the window that popups you will find menu icon to set the frequency of appearances for:
- Window Popups. You can opt to snooze popups on all websites for the period of time you prefer. Also please keep in mind that popups are automatically minimized for an indefinite time when closed manually.
- Search Engine Notification. You can disable or enable coupons and deals information for each store in Google search results.