How can I tell all the emails I shared my form with?

Can you please explain your question in detail?

Do you mean, you want to know all the email addresses placed in the recipients of the form? If so, please refer to this related guide: How-to-Change-the-Email-Address-Used-for-Notification-Email

Let us know if you are referring to something else.

No, I mean when I SHARE my form via email in the application, I can send it out to different emails.  Is there a way to check to whom I have all sent the form out to?

You can review the data in your my account Sent Emails history logs.

Guide : How to View All Your Form Email History

Please let us know if you need further assistance.