Considering the low settings I think Avowed looks pretty good on my standard Steam deck.

My current settings. Please comment if you have any settings advice.

Windowed full screen Frame limit 60 Field of view 90 Motion blur 0 V synch off Ray tracing off Upscaling off (game looks blurry as hell otherwise)

AA low View distance low Shadow Q low Texture Q high Shading Q med Effects Q med Foliage Q med Post processing med Reflection Q med Global illumination med