Signeasy allows you to add an email address to the Observers section while initiating a signature request. The email only receives the signed document and is not required to sign it.
You could add multiple email addresses in this section by typing in their email address. These email addresses will receive a copy of the signed document.
The added emails will receive two email notifications
After the initiation of the signature request.
After the signature request has been finalized, inclusive of the signed copy and the audit trail.
To know more about sending a signature request, please refer to Sending a Document for Signature.