Please update to the latest PAH version
1.19.10.1.
Are the hands importing correctly into PT2?
Do you have the correct databases selected in Options -> Preferences -> Databases -> Holdem?
Do you see the tables listed in the main PAH window?
Do you have the correct hand history folder configured in Options -> Preferences -> [site]?
What type of table are you playing at?
Check your filters aren't preventing stats being shown: Options -> Preferences -> Filters