Link is integrated with PTO.  So long as the tax document uploaded to Link is among one of the types of documents supported for import, W-2 being one of those, you will be given the option to import the data into PTO.  See this article for information about this function and how it works:

https://proconnect.intuit.com/community/help-articles/help/importing-source-documents-in-proconnect-...