Add a Facebook Ads Account to Your Business Manager
Follow the steps below to create an Ad Account for your Facebook Business Manager. If you already have an add account, you can follow our guide on inviting us to it.
Login to your Facebook Business Manager to start at business.facebook.com
1. Click in the top left hand corner on the 9 squares to open the menu2. Click on Business Settings3. Select Ad Accounts on the left hand menu and then click Add4. Select "Create a New Ad Account" and follow the prompts to create your ad account
Now that you have your Ad Account Created, make sure you invite us to both your Ad Account and Business Manager in our guide here