I can't remember if this feature was removed but for a directed reaction I thought the applet did appear:
But currently I just get the images.
I changed the db pool to ZTEST instead of IWEB2, as I had just fixed the 'cascading statuses' in ZTEST.
Back to IWEB2, it works (CHEBI schema is visible for ENZYME_WEBSERVER).
Propagated statuses will appear with next release.