Search is made simultaneously on one page by: LinkedIn, GitHub, Stack Overflow, TurboHiring, job boards and the applicants base of your company. Using ATS you can manage vacancies and candidates. Unique algorithm of ranking candidates by professional skills helps to find the best candidates.
I use it event for Sales funnel. It is easy to add lead to funnel by one click in LI
We are working with my hiring team on this system. And we have the opportunity to work with each vacancy together. This is clearly a good advantage.