rspo/auth/pagelimit is a SAP Parameter attribute which is used to control Activation of page limit check for spool devices 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 .
If this parameter is set to 1 (not 0), the page number of an output
request is checked against the user authorization for authorization
object S_SPO_PAGE.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.