How so?
The draft order for playoff teams isn't determined by which round they exited, except for the conference finalists. For example, last year Winnipeg's pick started the playoffs in the 22 slot. It moved up to 20 because Carolina and St Louis, who were originally 20 and 21, got to the conference finals. But CBJ's pick stayed at 19, even though they won a round and Winnipeg did not. Dallas and Colorado also stuck at 18 and 16, despite each winning their first round matchup. Of course, if we knock out Carolina, Columbus takes out Toronto, and 1 or more teams below them gets to the conference finals, then sure. Wouldn't happen if either of them got to the conference finals, so might as well knock them out early.
If you meant something with the lottery, I don't see how that'd help either. We get the lower of those two picks. They'd have to both be eligible and both win (if they're even doing the top-3 lotto) for it to be a big help. That's never going to happen.
Unless I'm totally missing something here.