Worth noting that these lounges owned by international carriers are sometimes segregated into two lounges with different credentials.

LH, for example, has the Senator and Business lounges in the same space. The PC card will get you into the Business lounge, whereas the *G card should get you into either. The Senator lounge is better.

SAS is the same way with Scandinavian Lounge vs. Business Lounge.

So if you have multiple credentials, in these cases it's better to use the *G card instead of the PC card.