A company's IT department is considering migrating their legacy software systems to a SaaS provider. They require a solution that not only reduces management overhead but also integrates seamlessly with their existing workflow tools. Which of the following would be a critical factor to consider while evaluating potential SaaS providers?
Level of data encryption offered for stored and in-transit data
API accessibility and compatibility with their existing tools
Availability of mobile support for iOS and Android devices
The ability to scale storage requirements on-demand