Keep in mind that codex content, including army lists, strategies, and lore, can change with new updates and errata. If you're looking for the most up-to-date information, I recommend consulting official sources or engaging with the Warhammer 40k community.
As for the availability of the Imperial Knights 9th Edition Codex in PDF format, I couldn't find any direct links or confirmations. However, Games Workshop often releases digital versions of their codexes through their online store or the Warhammer 40k website. Warhammer 40k Imperial Knights 9th Edition Codex Pdf
How can I assist you further? Do you have specific questions about the Imperial Knights or the 9th Edition codex? Keep in mind that codex content, including army