There's no one answer to this question - it depends on the couple and what makes them both happy. Some couples enjoy public displays of affection and find that it strengthens their bond, while others prefer to keep things more private and intimate. Ultimately, as long as both partners are happy with the level of PDA in their relationship, it's probably good for them.
That said, there are a few potential benefits of PDA that might make it worth considering for any couple. For one thing, research has shown that couples who engage in PDA tend to have more satisfying relationships overall. They also report feeling closer to their partner and more connected emotionally. Additionally, engaging in PDA can boost your mood and increase feelings of happiness, which is obviously good for your relationship!
So if you're wondering whether PDA is right for you and your partner, there's no harm in giving it a try. See how it feels and go from there - you might just be surprised at how much you enjoy it!