myFAQButton.setOnClickListener(new OnClickListener() {

   @Override

   public void onClick(View view) {

       FaqOptions faqOptions = new FaqOptions()

           .showFaqCategoriesAsGrid(true)

           .showContactUsOnAppBar(true)

           .showContactUsOnFaqScreens(true)

           .showContactUsOnFaqNotHelpful(false);

       Freshchat.showFAQs(MainActivity.this, faqOptions);

   }

});

In the above config file you can change the below from

.showContactUsOnFaqScreens(true) to (false).