X13 Imported PDF is opaque, X12 imported PDF was clear

[Electromen]

In X12 and all the previous versions, when I imported a PDF, I could see the CA walls, doors, windows, etc.

In X13, the PDF background is White and I can not see the CA walls, etc.

Any idea how to change this?

X12 is on the first screen shot.  X13 is second

Ignore images 3 & 4

 

        

 

 

 

[Electromen]

I fixed it, In X12, PDF Box Specification > Line Style > Drawing Group, I always set it to Front.

In X13 I have to set it to Back.