i'm been back for about few months now and seen that these companies are here so i jpoined 1 ranked up a bit from all the quests the main dude gives u but now i can't seem to find a way to get seals is there a specail way of farming these?

if there is muti-ways which ones is the best and faster for solo play?
same question as above but with party?

Can i get seals from going back into the dungeons?

thank you everyone who helps and reads this