Hi,
We've done a quick comparison on some of the main programs for this sort of automation, which you can read here:
https://www.one2create.co.uk/blog/social-report-vs-sprout-vs-hootsuite-comparison/
All three of them can integrate with LinkedIn to help you schedule and manage posts etc.
Hopefully, it will give you a bit of a clearer idea of some of the benefits between the different programs 
Cheers