MU Plugin to add missing ACF/ACFE capabilities to administrators and enables global user_role logic in location rules.

lr-acf-permission-fix.php

<?php
/**
 * Plugin Name: LR ACF & ACFE Administrator Permission Fixes
 * Description: Adds missing ACF/ACFE capabilities to administrators and enables global user_role logic in location rules.
 * Version: 1.0
 * Author: Luis Martinez
 * Author URI: https://www.lessrain.com
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly.
}

// Add missing ACF/ACFE capabilities to administrator
add_action('init', function () {
    $role = get_role('administrator');
    if ($role) {
        $role->add_cap('acf_edit_fields');
        $role->add_cap('acf_edit_field_groups');
        $role->add_cap('acfe_admin_settings');
        $role->add_cap('acfe_admin_tools');
    }
});

// Extend ACF to make user_role location rules work everywhere
add_filter('acf/location/rule_match/user_role', function ($match, $rule, $screen) {
    if (!is_user_logged_in()) {
        return false;
    }

    $current_user = wp_get_current_user();
    $roles        = (array) $current_user->roles;

    if ($rule['operator'] === '==') {
        $match = in_array($rule['value'], $roles, true);
    } elseif ($rule['operator'] === '!=') {
        $match = !in_array($rule['value'], $roles, true);
    }

    return $match;
}, 10, 3);