iPad/iPhone Popup Blocker
The popup blocker included in Safari on iPad/iPhones can cause several issues in HirePOS, including preventing maps and directions links from launching. It needs to be disabled to get the most out of your HirePOS mobile experience.
Turn off Popup Blocker
Close your browser and return to your devices home screen
Launch Settings
In the pane on the left, tap Safari
In the General section, turn off Block Pop-ups by swiping the switch to the left.
You've now allowed pop-ups in Safari until you return to Settings and turn this feature on again. To turn your pop-up blocker back on, just swipe the switch back to the right.
External reference. https://www.businessinsider.com/how-to-allow-pop-ups-on-ipad?r=AU&IR=T