Background image not showing when editing a 3d object from Photoshop to Substance Viewer

I'm trying to edit the position/angle of a 3d objetc and when open in Substance Viewer doesn't show background image

also the toggle "background image" appears disable so I can't turn it on/off

what am i Missing?  is there a config I have not set yet? is this a bug or is my sistem?

I'm running Photoshop Beta and Substance Viewer in Windows 10 64bits

Ryzen 7 PRO 4750G

NVIDIA Geforce RTX 3080 12gb

96 GB RAM

all the drivers are updated