PyTorch has its own advantages and it is one of the starting platforms alongside TensorFlow to learn deep learning and AI. PyTorch is mainly used by researchers and Python enthusiasts.
On the other hand, TensorFlow is a much more mature, more documented, and huge active community and therefore there are already tons of tutorials and blogs about it. This, is to me, more important for someone asking such a question. You can check out this TensorFlow Tutorial by Intellipaat to learn the TensorFlow framework.
You can watch this video to understand more: