I’m not sure exactly what you’re trying to accomplish. I do agree you’d have trouble with this file though.
There is a bitmap hidden somewhere but I can’t find it. I’d just set that to ignore. And the other paths can be converted between engrave, cut and score, although you have a lot of things sitting on top of each other so you’ll have trouble with lots of passes in the same spot.
I’d suggest watching this video to set-up your workspace:
And this video to see @chris1 go through his entire workflow:
Those two videos helped get me up to speed quickly.
If you setup your AI session as noted above you don’t have to convert text in your AI original files, that will be handled when you save as (or export). Good luck.