First person view is the view point of the character writing or speaking directly about themselves. Third person view is the author or narrator telling the story. One advantage for First person would be that you can hear or read the thoughts the characters or having. A disadvantage in third person view is you can't know what the characters are thinking only their actions and what they say.
I would say it would be dramatic because the audience knows something that the characters themselves do not or one character plus the audience knows something another character or characters do not.
In "Sonnet 18'', the speaker describes how the person he addresses is more sweet, temperate and fair than the beauty he sees in nature. He even notes how the sun is sometimes dim and how nature’s beauty is sporadic. And in <span> “Sonnet 147,'' the speaker realizes he is in over his head in love. He compares love to a disease, a fever that turns him mad and from which he cannot escape.</span>