Open a document in Lumin PDF.
Select the View controls option from the ribbon toolbar.
The Page transition and Layout options appear.
Page Transition:
Page transition lets you choose how a document's pages transition when you scroll or pan to another page.
Page by page - when you scroll or pan down, the next page will suddenly replace the previous one
Continuous - the next page will become visible as you scroll or pan down to the bottom of a previous page
Layout:
Layout lets you change how a document is laid out on your screen.
Single - only one page is displayed at any time
Double - pages are displayed in pairs
Cover - the cover (first) page is displayed, scroll down to see the following pages
Other ways to move between pages:
Page Selector
This is always located at the bottom of the screen in a multi-page document.
You can use it to quickly navigate to the desired page. Additionally, you have the option to enter a specific page number to jump directly to that page.
Tip: You can choose to go to:
the next or previous page using the two middle buttons

the first or last page using the outer buttons

Pan:
Use the Pan tool to use your mouse (left-click) to manually move up and down a page and between pages.




