If your scene contains multiple cameras and your test render job is still rendering the wrong camera:
“View to Render:” may be locked.
In 3ds Max, open the “Render Setup” window. (F10 or click on the Render Setup icon)
[View to Render: (pull-down with selected view or camera)] [Lock Button]
Check the [Lock Button] and make sure its not activated.
Refer to some related articles:
Transparency for Opacity maps using Arnold Standard Surface shaders does not work in the Viewport in 3ds Max
3ds Max 2020 crashes immediately when rendering with Octane renderer
Mirrored parts of a linked Revit model are scattered in 3ds Max scene