Lacquered pots can be placed outdoors only if they are provided with cover (porches, verandas, loggias, etc.), as direct exposure to the elements could damage them.

Yes. In some items, there are markings on the bottom of the pot indicating where to place the drill to make the hole. If the pot is used indoors, it is necessary to add a saucer; if it is used outdoors, the saucer is not necessary, but the plant must be placed on surfaces that are not at risk of being damaged by water and soil.