I'm not exactly sure what you're asking, but I'll give it a stab.
Your Adobe Send subscription is associated with your Adobe ID, which is your email address. It is a single-user license, but you can use it from virtually any internet-connected computer.
It is for sending files to others, not receiving files. So if you're asking your clients to send you files, they would need subscriptions.
You might find that the Free level is adequate for your purposes, in which case each of your team mates could have their own accounts. I suggest that you give it a try and see if it works for you.