Early efforts should be concentrated on learning the upright meanings of the cards. Once those have been mastered, reversals can be added. This makes the learning process less daunting. It is easier to learn the meanings for 78 cards vice 156. If you decide to read reversals, you must decide on how you will interpret them.
Some books provide reversed meanings for each card.
You can memorize those meanings in addition to the upright meanings. Alternately, you can choose a standard way to read reversed cards. Misuse or misdirection of the card's energy Other cards in the reading can help you determine how the card should be interpreted as well. The Hanged Man in a reading could bolster an interpretation of delay. The Moon could strengthen an interpretation of unconscious energy.