Asset discovery report on a couple of jobs indicating it is using PDSMAN module PDSMSUBS.
When I look at the JCL of those jobs, it seems they are running IDCAMS, IEBGENER, SORT and in house programs.
Release : 7.7
Component : PDSMAN for OS/390
PDSMAN front-ends program that are defined in PDSMINIT using $UPDATE, $COMPILER, and/or $IEBCOPY statements.