It occurs with ALL options. There are three examples in the attached photo.
Example A: 'Postology' can see the react in their reactions list, they can use the react, they can see the react given to a post
ALL other users can ALSO see the react in their reactions list, they CAN'T use it, and they can see the react given to a post
Example B: ALL users can see the react in their reactions list, they CAN'T use it, and they can see the react given to a post
Example 😄 All users (except for Vassago) can see the react in their reactions list, they can use it, and they can see the react given to a post
'Vassago' can ALSO see the react in their reactions list, they CAN'T use it, and they can see the react given to a post