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Best is to go to www.adobe.com/
and check the products and services offered. Adobe Acrobat® and Adobe Reader® are the most popular versions. With PDF files, they typically are opened as a 'package'.. with one or many pages. But by creating links to specific pages, you can indeed load only that page to view. PDF files have a 'sidebar' which is an index for quick reference to a page or feature. Copy the header bar for that specific page, and you can zip to that specific page for viewing.
F@H.. to solve mankind's maladies.. in our lifetimes!