Fixed it with this function:
function my_acf_prepare_field_wordpress( $field ) {
$current_user = wp_get_current_user();
if( $current_user->user_login != "User1" && $current_user->user_login != "User2") {
$choices = $field['choices'];
unset($field['choices']['your-field-option']);
}
return $field;
}
add_filter('acf/prepare_field/name=pakket-of-dienst', 'my_acf_prepare_field_wordpress');