Some journal editorial policies do ask for setup/syntax information, with the idea that an interested reader could attempt a replication of the analysis (or, at least understand how the analysis you're reporting was elicited). Sometimes, manuscript reviewers want such files for these reasons as well.
There is a simple way to export the set-up for your analysis in SmartPLS; see this link: https://www.smartpls.com/documentation/functionalities/export-project