Could you please tell me how did you apply the custom access settings? Were you using another plugin to do that? I believe ACF doesn’t have that kind of feature. If you were using another plugin, could you please disable it to see if it fixes the issue?
If you are using the PRO version, you should be able to add the field to the profile editor page (backend) by setting the location rule to “User Role <=> is equal to <=> All”. If you are using the free version, you should be able to set it to “User <=> is equal to <=> All”.
For the front end, you need to use
acf_form() function instead. This page should give you more idea about it: https://www.advancedcustomfields.com/resources/acf_form/.
If that doesn’t work, could you please share the JSON or XML export file of your field group so I can test it out on my installation?
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