Identify UI elements in pdf-xchange editor version 8.0

I am using pdf-Xchange editor version 8.0, build 333.0. I am not able to identify UI elements in the pdf through UI explorer tool in UiPath.

In pdf-Xchange editor version 8.0, I am not able to find option to “change the reading option”.

Please let me know how to solve this.

I don’t get which is the “change the reading option” you are reffering to. But if it is this one image
You can try to use “Click Image” instead of Click activity