DraftSight Installation Options and Commercial Use

Hello,

My question is on Draft Sight, I can see this is free software, but like some software it is free for individual use only. Is this also free for company\\commercial use?

If it is free for the above can this be deployed on as many machines as required or are there any limits of deployment?

I also have a question on installing the software there are two options Standalone and Network, can someone explain the difference?

Many Thanks

Jason