If you’ve followed all the requirements for acf_form() then conditional logic should be working.
https://www.advancedcustomfields.com/resources/acf_form/
Usually when the the JS is not working it means your missing the call to acf_form_head().
If this is where it’s supposed to be then you’ve probably got some conflict going on. Your next step will be to deactivate other plugins and/or change themes to see if you can figure out where the conflict is.
