Yes for facebook you can contact the dedicative fb support agent, on this provided link -https://www.facebook.com/business/help/support, you have to choose the concerned issue and seek for a chat support.
During this, you can ask for a phone call discussion to address the issue in detail and get the solution. Also, ask the representatative to schedule a call with FB Ads Tech support team to discuss about the campaign optimization possibilities. In our case Tech representatives are following up in regular basis for every week/15 days.