Processing time for a visit visa for Poland, as per the Schengen Visa Code, can be up to 14 working days.
Do keep in mind that the processing time can be extended to 30 days in certain cases.
The processing period can be extended to 30 days because of the number of applications received by the embassy/consulate or the uniqueness of your situation.
It can take up to 45 days for exceptional applications to be processed by the embassy/consulate.