Hi @rktlwm
I believe you are talking about a 3rd party address field add-on.
If you are, the easiest thing to do is add v5 compatibility to the add-on.
Checkout this guide here to find the field type template, and you can then edit the address field type add-on to work with ACF PRO
http://www.advancedcustomfields.com/resources/getting-started/including-acf-in-a-plugin-theme/
Cheers
E
