The property owner's name will appear on outgoing mail and emails.
You may want to update the owner's name formatting or change it all together.
To do this open the lead, look for the name section and click "Edit Owner"
You can also update the owner's address. Mail will be sent to this address. Simply scroll down to the "Mailing Addresses" section and click the first address.
Hope this is helpful. If you get an error while giving this a try, please reach out and our support team will be more than happy to help.