Sent an e-mail to Nissan Support, response below;

Subscriptions allow for on-line viewing only. Attempts to save or print the files will corrupt them and make then unreadable.

Subscription purchases allow for full access to the TSB's.

If you have additional questions, please contact us.

Kevin Cook
Service Technical Publications

OK, now what are my options?
I don't mind paying the 20 bucks but I want to save them for future use. T