If you happen to encounter any data discrepancy when reporting on Facebook Ads accounts, the first thing we recommend is checking the Attribution Window on Facebook's side to see if it matches with what you have selected on Whatagraph.

1. Please go into your Ads Manager and select the "Columns" field and then click on "Customize Columns":

2. Select the "Attribution Settings" option and click on "Apply":

3. After that, you will be able to find the attribution settings for each campaign/ad: