Q&A for How to Make a Cauldron in Minecraft

Yes, you can, but be careful not to step/fall into the cauldron when it's filled with lava.

Beacons are used alongside blocks of valuable materials to provide a constant buff of your choice while near it.

You cannot make a potion using only a cauldron, but it can assist in the potion making process. You use cauldrons to store water in, and then you use that water to fill bottles with water which you can then use to make potions with using a brewing stand.

No, you can only make poison tipped arrows using a crafting table. You can do this by surrounding a potion of lingering with 8 arrows in a crafting table, this will give you 8 tipped arrows, the potion effect will depend on what lingering potion you used.

No, cauldrons cannot be used to dye milk in Bedrock edition, nor can any other block.

You can make a cauldron with this method on both Java edition and Bedrock editions.

You can only dye leather armor in Minecraft, the other types of armor cannot be dyed.