If required, it's possible to generate a Job Output from a SXP package, in this document is explained how.
Client Automation 14.x
There are 2 ways to generate a Job Out for SXP packages:
1.- If this package was made by a snapshot, it's possible to have Job Output by enabling "SM Installer: Enable trace"
This will create data in the Job Output tab of the sent job.
2.- If the Packager is just being used as a wrapper to the install program, then it's possible to use the parameter in the package definition, like this example:
“setup.exe /s /l $(SxpOutputFile)”.
There are also other parameters available for SXP packages, as shown here: