Under "Installing the PXF Package" point 5 -> Set the ownership and permissions of the PXF installation files to enable access by the gpadmin user. This should mention that operation is performed on all the hosts.
Ex: Set the ownership and permissions of the PXF installation files to enable access by the gpadmin user on all the hosts.
Link: https://gpdb.docs.pivotal.io/pxf/6-2/release/installing_pxf.html
Under "Installing the PXF Package" point 5 -> Set the ownership and permissions of the PXF installation files to enable access by the gpadmin user. This should mention that operation is performed on all the hosts.
Ex: Set the ownership and permissions of the PXF installation files to enable access by the gpadmin user on all the hosts.