Few Questions from a Newbie

Hello Everyone,

I have no skill using this software but I'm currently trying to create a business that uses VR technology and so I must learn a few things. Please forgive my ignorance over a few things and please be respectful when answering my questions please.

Is a interactive VR site possible?

Would Unity be the best 3D software to use for a international business?

Would it be possible that for a interactive VR reality online where thousands of people use? Or would they have to...

Few Questions from a Newbie