The Acolyte of Kelemvor companion appears to not proc Protector's Camaraderie. I don't think this is intended, as "when your companion uses a power" is a more accurate description of what should proc insignias and bonding, not the companion literally attacking.
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Comments
The Acolyte of Kelemvor, Priestess of Sehanine Moonbow and the Harper Bard only proc bondings but not the Protector's Camaraderie/Friendship.
This is most likely the reason they were not in the patch notes for Mar 15 for "Certain Companion powers that were not triggering Insignia bonuses now properly do so. The list of addressed powers follows."
http://www.arcgames.com/en/games/neverwinter/news/detail/10436203-patch-notes:-version:-nw.75.20170306d.4
If they made the insignia bonuses work like the bondings then that would be great, though I doubt it will happen...