Use the volume bookmarks. Some PDFs include a "Faharis" (indexes) at the end of Volume 9.
Get the PDF for research and travel , but if you are a serious scholar, invest in the printed Dar al-Fikr edition for long-term study. fatawa shami arabic pdf
You can access high-quality, searchable PDF versions (often the 12-volume or 6-volume prints) through these reputable digital libraries: Archive.org Use the volume bookmarks