for example, I believe that because of the strong sun should be a shade higher (red arrow) due to the reflection of light.

in the render setting light bounces are 3, they are usually good for my render, but in this case I can not find the solution.

Poser Pro 2014 SR 1 on Windows 7 64 bit
I use IDL, Gamma Correction and EZSkin for all final renders.