Hide sections in admin based on user

admin-css-conditional-hide.php

function wcd_hide_admin_sections() {
    $user = wp_get_current_user();
    $access = 'admin'; // this is your username that gets access
    if($user && isset($user->user_login) && $access != $user->user_login) { ?>
      <style>
        li#toplevel_page_edit-post_type-acf-field-group, 
        li#menu-appearance,
        li#menu-plugins,
        li#menu-users,
        li#menu-settings,
        li#menu-tools { display: none; }
      </style>
    <?php }
  }
  add_action( 'admin_head', 'wcd_hide_admin_sections' );