You would need to create template pages for the CPT as outlined by WP see this https://wordpress.stackexchange.com/questions/23674/can-i-assign-a-template-to-a-custom-post-type
You would then need to create an acf/save_post action and in this action update the post with the correct value for the template. https://wordpress.stackexchange.com/questions/43148/change-page-template-programmatically
