I have found that I am not able to use pick block on a cauldron that has water or lava in it. Not sure if it is intended or not, but I'm assuming that it is a bug.
MC-214659
Can't use pick block on a cauldron with liquid.
Resolved
Duplicate
0
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We're tracking this issue in MC-203617, so this ticket is being resolved and linked as a duplicate.
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