In the case of both questions, when trying to use ACF in conjunctions with some other plugin or theme the question is usually better asked in a community for the plugin or theme. In this case DIVI. It you know what you need to do to make something work in DIVI then someone here might be able to help you figure out how to get it.
Welcome to the Advanced Custom Fields community forum.
Browse through ideas, snippets of code, questions and answers between fellow ACF users