The process of conversion depends on different host-based programs (DCF, BookMaster, ...). Of course some of them can interface to OS/2 workstations.
At least it should be possible to create lower quality printouts to PostScript or PDF targets. Simply follow the directions in "Installing, Managing, and Using the Online Library" (GC31-8311-39). In IBM Softcopy Reader or BookManager READ you can select all topics to print, but it will be quite useless without working indices or content list.