Rollout PDF to public

Reviewed-by: Tino Schreiber <tino.schreiber@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/obs-parallel-file-system.yaml

@@ -3,7 +3,7 @@ hc_location: pfs/obs
 html_location: docs/obs/pfs
 link: /object-storage-service/parallel-file-system/
 pdf_enabled: true
-pdf_environment: internal
+pdf_environment: public
 rst_location: doc/parallel-file-system/source
 service_type: obs
 title: Parallel File System (PFS)