How to Verify If You Have an Ad Account
Log in to Facebook and head to facebook.com/ads/manager/accounts.
If you see an ad account present, verify your ad account name.
How to Create a Facebook Ad Account
If you confirm that you do not have an ad account, please follow these steps:
Log in to your Facebook account and access your Business Manager here.
Within the Business Manager, go to the bottom left and click Settings.
On the new screen, select More Business Settings on the left.
On the left side, go to Accounts. Then, select Ad accounts.
In the center of the screen, click Add. Then, click Create a new ad account.
Enter an ad account name, select a time zone, and your preferred currency.
Click Next. On the next screen, you'll need to select if this ad account is for your business or for a client. Make the appropriate selection and click Create.
If you need assistance with granting partner access, please refer to this document.