I am NOT pleased with what they are asking and how they are framing the questions.
Seems they are seeking to diminish the value of the product.
It would be a HUGE mistake to implement any of these changes.
When I click on "View Seabourn Voyages" it takes me to the Voyage Tracker page with the "hamburger" at top left. Clicking on the burger giver you the ship selector.
It might help if you cleared your browser's cookies/cache and try it again.
Yes you can. The transfer has to be done within 60 days of booking, and the reservation yet cannot be paid in full.
Direct your agent to this page. https://www.onesourcecruises.com/pdf/onesource/sb/booking-tools/self-service-request/SBN-Reservation-Transfer-Request-Form.pdf