What does the 'User self-provisioning' service provide in Cloud management for the SaaS vendor?

It provides the allocation of the resources on pay-per-use basis to the customers.

The customers contract in advance a predetermined amount of resources, which are prepared in advance of service.

In this, the customers purchase cloud services directly from the provider, typically through a web form or console interface.

The customer does not pay on a per-transaction basis.

It works on data storage.