Yes, anyone you entered in People can receive your Email messages, SMS text messages, and purchase items in your Store, regardless of whether they have set up their account yet. They will not receive Announcements. To target an Email or SMS message to only those who have not set up their account:

• Form a group in People by selecting Member in the Select by Tag box.
• Narrow this group to only those who also have the Pending Tag.
• Click Send Email to email this narrowed group.
• If SMS is desired, click Send Announcement and scroll down to toggle ON Send SMS.