Only the Conductor and Species (timbers) tables are fully populated. These tables are derived from data in Standards and other documents.
You can add data to other tables yourself (see instructions in the user manual) or PowerMation can enter data if you supply the source documents (a fee is charged for this service).
Some poles/structures data set are available for purchase. See https://polesnwires.freshdesk.com/solution/articles/8000013867--data-sets-for-sale