Customize permission for responding to reviews on the frontend

add_filter('site-reviews-authors/can/respond', function (bool $canRespond, $review): bool {
    $user = wp_get_current_user();
    if (!in_array('company_role', (array) $user->roles)) {
        return $canRespond; // user does not have the company role
    }
    if (!in_array($user->ID, $review->assigned_users)) {
        return false; // review is not assigned to the user
    }
    if ($user->ID !== get_post()->post_author) {
        return false; // user is not the page author
    }
    return $canRespond;
}, 10, 2);