You can use an acf/load_value filter https://www.advancedcustomfields.com/resources/acfload_value/ for most fields that you want to set with a specific value.
You can probably also use an acf/prepear_field filer to get the same result https://www.advancedcustomfields.com/resources/acfprepare_field/
And it can probably also be done using an acf/load_field filter https://www.advancedcustomfields.com/resources/acfload_field/
