so I think what I'm describing here is different from the link - my employer deducts post-tax money from my paycheck into the 401k, then rolls that over into

so I think what I'm describing here is different from the link - my employer deducts post-tax money from my paycheck into the 401k, then rolls that over into something that will roll over into a roth IRA when I leave the company. As far as I can tell, that's what OP was speaking of (See the "Daily roth in-plan conversion" portion of the paycheck deduction screenshot.)