If U have an Enterprise Edition of Qlikview Server Then u can use AJAX Zero Footprint link to access Qlikview document's in any browser i.e. Chrome, Mozilla, IE etc. Also as Ajax is Zero footprint you need not install any plugin like IE plugin for IE & can work without any installation on client machine.
You may want to optimize your developments on AJAX based views. That's the direction QlikView seems to be moving so no plugins are needed to view the QlikView document. You can set AJAX as your default way of viewing in QV server settings.
By the way, AJAX is available n all version of QV servers. You do not need Enterprise version just for AJAX. Of course, you get many other features with enterprise version.
If you are developing in qlikview 10 then AJAX is no doubt the better option. Ther is a web view mode in qlikview 10, after you make a chart, check in web view mode to ensure the proper rendering of charts in various browsers.
All leading browsers are working fine with qlikview server 10.
I used check my applications in Internet Explorer, Mozilla Firefox, Google Chrome, Opera and Apple Safari since these few are the leading browsers of present time.