Was reading this and wondering if it possible to to break up the new content…
meaning to have different field groups in different div elements… Or better to say call acf_form multi times in the same html but only update/submit/create one post…
Currently, the acf_form function is quite basic and does not alow for this level of customization. You could always use some jQuery to move the .field elements around on the page.
Is it ok to have multiple acf_form on one page that saves / update to the same post? Reasonable use for this is to have different acf field_groups in accordion style.