Originally Posted by hgdf

Sure. After all, the Board Room is a partner lounge for SC members. Assuming the benefits are the exact reciprocal for each lounge, the SC member should be allowed to bring up to two guests when flying on AS, but not DL.

For me, the lounge reciprocity works fine because I usually access the SCs when I'm flying DL, so bringing guests is never a problem. The only partner lounge that I typically frequent with a guest when flying AS is the CO club in LAS, which oddly enough still allows guest privileges when flying AS.