Software as a Service (SaaS), is a cloud-based service that offers a lot of benefits in the interest of both suppliers and users. There is a distinct contrast between SaaS and an on-premise software, one of the biggest selling points of Saas being the lack of initial investment required to use it.
Because SaaS run in the cloud, it's mobile-friendly and can be used among a range of business applications, which makes it easy for employees to use it on-the-go and switch between devices without losing work or data. Data is routinely saved in the cloud, and because everything is run through a centralized platform it’s easy to capture data and provide it for analytics use. Read the article explaining the many advantages of SaaS.