Which option should an organization choose if there is a need to avoid software ownership?

Choosing Software as a Service (SaaS) is appropriate for an organization that seeks to avoid software ownership because SaaS allows users to access software applications via the internet on a subscription basis, rather than purchasing and installing the software on local devices. This model shifts the responsibility of managing, maintaining, and updating the software from the organization to the service provider, enabling businesses to use the applications without the burden of ownership and IT overhead. This is particularly advantageous for organizations looking for flexibility, scalability, and reduced upfront costs associated with traditional software purchases.

In contrast, other options such as Platform as a Service (PaaS), Containers as a Service (CaaS), and Infrastructure as a Service (IaaS) involve a different focus. PaaS provides a platform allowing developers to build, deploy, and manage applications without the complexities of maintaining the infrastructure, but organizations still manage and often own the applications they create. CaaS focuses on the management of containerized applications, while IaaS provides virtualized computing resources, both of which imply a level of ownership of the applications or services deployed on these platforms. Thus, SaaS distinctly addresses the need to avoid software ownership, making it the most suitable choice in this scenario.