Moving your post to the Muse specific forum.
Not possible at the moment with any built-in Muse function that I personally know of. Though you might have some luck with just customizeable HTML with "Object > Insert HTML". It seems though that this will be very complex considering you'll most likely need some sort of a customer "portal" or "login" that can keep track of this data and update promptly. I'll keep an eye out for you, but at the time, as stated, I don't think with Muse at thie version it achievable.
In order to view and edit these types of data, you're going to need a database, and know some database driven programming. Business Catalyst allows you to make this sort of WebApp with minimal coding, you can check out the free trial here:
Hope this helps,
Thank you guys for your answers, I'm still trying to figure it out but it seems that it will be possible to do with more time. I really appreciate the replies.