Pins

[The Hermit King]

If i drop a pin (Story) into a room. can the player see ittt and can they see the entry if i open it?

[Sulimo]

If i drop a pin (Story) into a room. can the player see ittt and can they see the entry if i open it?

No they cannot see it.

For a player to see it you would need to share the Pin, the Pin will change to Green in color.

Even then, the player could not open the item the Pin links to unless you also share that (the Story entry in your example).