Fonts and colors of objects in QlikView documents when loaded using AJAX mode are displayed differently in Internet Explorer on different QlikView Servers. The problem is caused by Emulation Mode in Local Server settings or Emulation Mode in Local Internet Explorer settings in Internet Explorer Developer tools applied to the document when being loaded. The Emulation settings allows depending on the machine to open the document emulating Desktop mode, Mobile Mode, IE versions, Edge and etc.
Below examples of the same document opened on different machines:
You have to specify inside your environment in which emulation mode Internet Explorer should open certain files. File opening is completely dependent on the internal settings.