In the Facebook Ads data source, you can set how much data you want to pull by specifying a date range. This is set using the Date Range selection. It provides options ranging between today and up to the lifetime of the data.
The Date Range selection that you will make will not change automatically, and the data source will continue to extract the same date range. You can change the Date Range as many times as you need and based on your needs.
Due to Facebook Ads' attribution windows, it is recommended to set the data source to pull regularly for 30 or 90 days (depends on the scheduling frequency you will configure for this source).