Note! Ensure that you have Adobe Reader or Adobe Acrobat installed on your machine. To use XFA-based PDF forms on Firefox and Chrome, perform the following steps to configure Firefox and Chrome to open PDFs using Adobe Reader or Adobe Acrobat.Use Internet Explorer to view the pdf or.Note: When trying to view a pdf hosted on the domain, the built in pdf viewer in Firefox and Chrome is bypassed and you should be prompted to save or open the pdf. HOWEVER, these PDF's display fine in Internet Explorer. Therefore, XFA-based PDF forms do not open in later versions of Firefox and Chrome. The built-in PDF viewer introduced with Mozilla Firefox and Google Chrome do not support XFA-based PDF forms, which are dynamic pdf forms typically with fillable fields. You may receive this error in your browser when trying to view a. School of Education, Health and Human Behavior.