It depends on your natural dance ability, your ability to hear rhythm, your age, your confidence level, and of coarse your current fitness level.
The more fit you are and the more familiar you are with dance technique then the faster you will learn how to pole dance.
If you have stage fright then it will take time for you to build your confidence pole dancing and once you are comfortable then you will be able to do the moves better.
In addition, if you need to learn to hear rhythm or you have no sense of feeling what it’s like to dance, then this will have to be learned as well.
A person who is talented at dance is already confident about moving their body is strange ways in front of people and they can “feel” the music. This gives them a head start in pole dance.