When I opt to add a new device, I enter the email address of the individual to whom I am granting the license. Q. Does that individual need their own Norton account to activate the license?
All available seats under your subscription remain under your Norton account.
Extend your protection to your other devices
https://support.norton.com/sp/en/us/home/current/solutions/v118869637
Send a download link through Email or SMS to install Norton protection on another device
https://support.norton.com/sp/en/us/home/current/solutions/v101015745