The most useful feature is that it will monitor your applications at all times so you don't have any problems with downtime or unavailability of those apps/services even if they are down when needed by clients! Nothing really like dislike about this software as such but I would say maybe more features can be added which could make its use easier especially from an organization perspective (like user management).
If anyone needs monitoring services then definitely give them try because we were looking into something similar before using trios analytics product & realized how much better our system was performing after doing some trial runs ourselves!