Correct punctuation for setting up these indirect questions?

I’m wondering what the correct way to deal with the indirect questions in the following sentence are. I work as a transcriptionist, so rearranging the sentences is unfortunately not an option. I also am unable to uses colons as it interferes with the software I do the transcriptions in.

Now, we’re going to go through, what does this all mean for us.

There are various other companies that try to address this challenge of, how do we define our model.

And you can also rank these in terms of, what are the most urgent ones to test, what provides the most value, and what gets us moving the quickest.

In bold are the words where I’m unsure what the correct (or at least best, given the restrictions) punctuation to follow should be. Comma? Em dash? Nothing? I have commas in there as that’s what I ended up using. Looking back at it now, I’m unsure if that was best. Thanks guys, any and all help is appreciated.