>>This what you're looking for?
>>http://blogs.office.com/2012/09/11/present-a-word-document-online/
>
>Thanks, so this means, in order for this to work, the document has to be put in the cloud. So, for Facebook to show that ability, I would then assume they have uploaded my document in the cloud and offered the link after.

I think there is a way Facebook itself can host the file too - and of course you can do all this wwith google docs and it's fewer steps.