You can skip the introduction profession quests on alts to instantly unlock Dragon Shards of Knowledge by talking to an NPC in The Waking Shore!
Profession Knowledge Guide
How to Unlock Dragon Shards of Knowledge
If you’ve completed the introduction quest chain Catching Up! on a character to unlock Dragon Shard of Knowledge and the vendor Khadin, your alts can use a skip so you don’t need to do it multiple times. The quest chain is: