The issues presented are only visible when you activate some functions in the admin area.
So not possible to identify unless you buy the theme.
They intentionally did not activate the captcha they coded in the sign up form in the demo, which is one of the security issues we found (you can easily insert a wrong code or not add any at all and it lets you sign up)
Others are related to broken header and breadcrumbs conflicting, in which they admitted they have an issue with it and suggested us not using a sticky header.
Others are related to functions when it comes to user packages and location.
Please open an Envato Customer support Help ticket and let them know. Don’t forget to include the refund request link in the support ticket. Envato Customer support team will be happy to assist you.