Each NowComment document has a Sharing Page:
where you can:
There are two easy ways to get to a document's Sharing Page:
The easiest way to share your Contacts is to put them into a Group; you add them to the Group one time and it's fast from then on.
If you aren't sharing with a Group:
If you make a mistake, you can remove someone from the share list by clicking the red "X" next to their name.
Once you've compiled your share list we recommend that you add a short context message to the email we'll send them explaining why this document is significant, why you'd appreciate their comments and feedback, etc..
That's all there is to it; click "Share now" to give everyone on the list access to the document!