UE5, Material Ambient Occlusion don't work with Stationary lights

I’m developing on UE5, with Lumen. I am currently having a problem seeing my Ambient Occlusion that I have connected in my material. I made sure to disable the Allow Static Lighting parameter in our project settings.

I can clearly see my Ambient Occlusion working in my Preview Window of the Material Editor.

Unfortunately, I can’t observe the same thing in my environment. My lights are on Stationary as it seems to be suggested.

Is this the expected behavior? If yes, is the intention to no longer rely on the AO of materials on UE5?

I would like to answer this question to determine if I should continue to pack AO in my textures or just free up a channel for something else.
Thank you

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Ok, it’s now working on preview 2 and 5.0.1. So it’s not an issue anymore.