so nun endlich die Lösung

Berechtigung für ORDNER:
To specify the public data authority for these directories, specify the PSF defined option PDFDTAAUT on a PSF configuration object. For example, PSFDFNOPT(PDFDTAAUT(*RWX)).


Berechtigung für STMF:
Use CRTPDFMAP to create the object to add to your PSFCFG
Use WRKPDFMAPE to edit the object created.
Since you will only be using this to set the *stmf authority you can add any sequesnce number and segment *no.
On the criteria page leave all of those parameters set to the default *ALL
On the map action page indicate "Stream File" *YES
On the next page you will see the above PDF stream file parameter. Set the Stream file to *PSFCFG to leave it working 'as-is' it is working today for you.
set the Public authority for the *STMF created.
When you have the IBM supplied pdfmap object created, ENDWTR, Vary Off print device, Change the *PSFCFG used by the print device:

PDF user program . *IBMPGM
Library . . . .
PDF mapping object Name Created using CRTPDFMAP
Library . . . . Library of CRTPDFMAP object created.