PF1 content is listed under Hybrid in the store. (
https://www.lonewolfdevel.com/Products/Hero-Lab-Hybrid)
Check the list of filters on the left to make sure you're seeing Pathfinder 1st Edition content.
The store doesn't show you things you already own. Packages where you own some of the content should still appear but have a discount.
Paizo only published 6 Bestiaries.