Set up Form Simplicity on Chrome - Enable NPAPI Adobe Reader Plugins
У вашего броузера проблема в совместимости с HTML5
Here is a quick Video on setting up Chrome to open PDF files on the browser.
1. Open Chrome and type on the address bar " chrome://flags "
2. Enable NPAPI
3. Relaunch Chrome
4. Check the plugins are enable for Adobe Reader go to Chrome://Plugins to check
5. Test out a form.