Preheat the oven to 400F, and line your baking sheet with parchement paper then set aside.
Slice the puff pastry sheet into 8 equal rectangles. Score the puff pastry with a sharp knife leaving about 1/4 inch borders.. Poke the center of the puff pastry squares with a fork to make sure that that area doesn't puff up. Set aside, preferably somewhere cool.
1 sheet frozen puff pastry dough
In a large bowl, mix the softened cream cheese with the sugar and vanilla extract. Scoop out 1-2 heaping tablespoons of cream cheese mixture, and place it in the center of the puff pastry squares. Gently spread it, making sure to stay clear from the edges.