SUSE reservation provides up-to 64% discount over pay-as-you-go prices by allowing you to pre-purchase the SUSE software.

Reservation can be purchased for a period of 1 or 3 years.
SUSE software usage in your subscription(s) that match the attributes of the purchased SUSE reservation will automatically get the billing discount, and you do not need to assign the purchased SUSE reservation to a matching SUSE VMs. SUSE VMs that are already running or ones that are newly deployed and match the SUSE reservation attributes will automatically get the benefit.
SUSE reservation does not work with bring your own subscription (BYOS) images.
SUSE reservation cost will deduct from EA Azure monetary commitment, if available.
Infrastructure cost such as - compute, networking, storage, etc are billed separately.
At the end of the reservation term the billing benefit will expire and the SUSE software usage will be billed at the pay-as-you go price for the VMs deployed.

Please note: Reservation purchase is final and the order cannot be cancelled afterwards. No refunds can be issued for any reason.

Azure Reservations for SUSE Linux SoftwareMicrosoft

Azure Reservations for SUSE Linux Software