If you are a student, researcher, or faculty member, your university library likely has an institutional subscription to engineering databases or physical copies of PCA literature.
If you need the official PCA Notes on ACI 318-14 PDF, here are your best options: pca notes on aci 31814 pdf link
ACI 318-14 enhanced the detailing mandates for structural integrity. The PCA Notes provide clear diagrams on how to detail continuous longitudinal reinforcement to prevent progressive collapse in both cast-in-place and precast concrete structures. Diaphragm Design Updates If you are a student, researcher, or faculty
Sites like IHS Markit often provide access to these standards [IHS Markit/Mattia]. Free Alternative Resources If you are a student