Pdf file not opening my mobile galaxy m30s

[Nsomkar]

Hi, 

I am using Samsung m30s hand sent.

last 30 days back updated the software version.11. After updating the software I couldn't open the downloaded PDF files, but if I receive the same file from what's up it will open.

I am using adobe reader app letest version 

I am attaching error msg screen shot

• Pl.rectify my problem as soon as.

[eddya74748535]

Sane issue with my deviçe m30s as well