sc_acrobat.exe is added by Adobe Acrobat Reader Standard version 7.0 and possibly other versions. It provides a mechanism for Acrobat reader to launch faster when needed. If you seldomly use Acrobat Reader you may want to terminate this process to save resources.
Non-system processes like sc_acrobat.exe originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues