You will need a t30 and a plastic tool removal to pull the panel but you can make it just with yo.
How to get door panel off vw polo.
Watch out for the clips at the bottom of the panel as those break easily.
The screws can be found near the door latch handle.
1996 vw polo door panel removal step by step tutorial.
There are three fastners either side which run from top most of the panel to the bottom.
Check about halfway down the above thead for link called polo 2002 body diagrams.
Be careful with the clips they tend to break easily.
Download the pdf and on page 8 theres instructions on how to remove the door trim.
Then using a plastic spatular or a flat screw driver lift the plastic cover on the door handle starting.
Remove the two screws.
Then with a flat screw driver slowly start to lift the door panel from the door poping out the.