Using DXO PhotoLab vs DXO Collection

When I upgraded to DXO Collection 5, I installed free version of PhotoLab. Great.
But now I am confused. Can I use the PhotoLab to open Viveza instead of PSE?

I would really appreciate understanding that.

You got PhotoLab (Essential Edition) through the respective offering in Nik Collection 5.

On a Mac, the button to export to Nik is active and looks like this:
Bildschirm 2022-09-24 um 23.23.35

Here, it’s greyed out because I’ve not installed Nik Collection at the moment.