Got your point, please find the answere below
1. Multiple Administrator is not allowed right now, but we will add this in future update
2. To get 5 languages, you have to customize it to get Multi language, You can hire any laravel developer to get this customization, or you can also hire us to make it, we providing customization service also.
3. No need this Google translation if you make it multilingual, if you need it badly, you need to make this features. Yes, we can do this if you hire us.
4. You are talking about license here, your license is allowed 1 domain per purchase, that means you can use only in one domain or subdomain per purchase. If you use this into 5 domain, then you need to be purchase it 5 times from CodeCanyon.
Feel free let us know if you need any more information