if you want simple icons for example in a table you could use built-in UTF8 Font "Icons".
You can copy and paste them in QlikView:
✔ ✔ ᐫ ᐬ ◢ ◣ ◤ ◥ ▲ △ ► ▼ ▽
A full list can be found here:
I think there was an article about that topic around here. But I can't find the link right now.
Hope it helps and regards,