Plenty of social signals from 10+ social platforms.
Social Signals does play a very important part in the big G’s Algorithm, it is still not as important to content (quality) and backlinks.
If you are happy that you have these 2 covered, you should definitely look at these signals as a secondary avenue of your campaign to push rankings.
Think about this statement: any site ranking high in Google and has zero social shares might seem a bit dodgy, another reason to also look at this service.
If you want to read more on SS, please click on this link
Although not a direct ranking factor, likes and comments can help with conversion.
More avenues to promote your website content
More social profiles gives you a higher social presence