Task: Add the text "My Favorite Book" on the second page of the The Queen's Gambit book pdf file on the PDFelement app.
Steps:
Scroll down
Scroll down
Scroll down
Scroll down
Click on the + icon at the bottom right corner of the screen.
Click on the Edit button.
Click on the tab Add text at the bottom left corner of the screen.
Click on the top of the second page.
Type "My Favorite Book" 
Scroll down
Click on the Right tick icon at the top left corner of the screen.