If the Banner Ads are enabled on the site, the admin can control whether they are displayed or not inside the Member Dashboard for each membership plan by going to:

 

Finance » Membership Plans » Edit




Go to the Member's Dashboard tab: 




Then scroll down to the "Additional Settings" section » Show Banner Ads in Dashboard:  




If the Banner Ads are set to "Yes", they will appear on the dashboard:




If it is set to "No", they will be hidden from the dashboard but continue to display everywhere else on the site: