Add a Facbook Ads Account

Step 1: Access the Settings Panel

Step 2: Go to the "Social Media Channels" tab and click "Connect to Facebook" and complete the Facebook connection process

Step 3: Click "Add Ads account"

Step 4: Click the pluss sign to add your page

To add a Twitter page find detailed guide here.
To add an Instagram page find detailed guide here.
To add a Facebook account find detailed guide here.

To add a LinkedIn account find detailed guide here.