exe/saposcol is a SAP Parameter attribute which is used to control Path to a directory containing saposcol executable. information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
This parameter informs standalone CCMS agents where to find the saposcol
binary to handle requests from transaction OS07.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.