Answer
AI Assistant is available in Foxit PDF Editor,Foxit PDF Editor+, PDF Editor Cloud, Foxit Reader and Foxit Mobile.
How to access PDF Editor,Foxit PDF Editor+, PDF Editor Cloud, Foxit Reader
Open the PDF file of choice in Foxit PDF Editor, Foxit PDF Reader or Foxit Editor Cloud.
Go to the "AI Assistant" tab. This will open the AI Assistant panel on the right corner of the application.
How to access AI Assistant in Foxit Mobile
Open the Foxit Mobile App
Navigate to the home screen, select the AI Assistant use now option
Select the PDF file you would like to use the AI Assistant with
Perform your desired AI Assistant action