PCN is listed in the AIP for each aerodrome, in the runway specification section, generally the apron and taxiways will not have a greater PCN than the runways.
The ACN is listed in the AFM and is a combination of MTOW and tyre pressure with the CofG in the most adverse position.
Searching "ACN PCN" brings up all the relevant information, add in your relevant authority to the search parameters to find their publication on it.