4. Set the Background

 Use :

 Using the Background feature, you can apply a different color or a texture to the background of your document.

   How to   To change the background of the document, click on FORMAT from the menu bar at the top of the application. Move your cursor to BACKGROUND. Using the sub-menu, you can select any COLOR or FILL EFFECTS for the background of the document.   

PDF Export Settings

PDF Export Settings:

It is recommended to create a PDF Preset to make it easier to repeatably create usable PDF files. The Adobe PDF Presets Menu is accessed from the File pull-down menu. From there you will Define a new PDF profil .