how do I import 2023 tax info I did on Turbotax last year. It's in DOCUMENTS as pdf file?

You do not want to transfer a pdf.  You need the tax file.  

How to transfer last year’s return? 

https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/transfer-last-year-return-turbotax-online/L279eUvY2_US_en_US?uid=m6ayqk1s