When you opened a PDF file which have right-to-left (RTF) texts (e.g. Arabic, Hebrew, etc.), clicked on Facing
or Continuous Facing button in Page Display group under View tab in Foxit Reader to view pages side-by-side, its pages display order came out as:
However, Texts in RTF PDF files are from right to left which should be displayed like the following pages display order:
To switch the sides of display when viewing PDF file with facing display mode, please go to File tab>Preferences>Languages, select Right to Left from the Default Reading Direction dropdown list, click on OK button to apply the setting. Then you will find that PDF pages are displayed in right to left direction under Facing or Continuous Facing mode.