Problem with PDF Extraction

I have a Excel which contains multiple URL’S which leads to open multiple PDF’S online.
I need to extract some specific text but everytime i select the text in PDF the selector i got has no aa name also it selects whole PDF and the result is blank.

did we try with COMPUTER VISION activities
kindly have a view on this

Cheers @hsharsh92

i had use the computer vision activity… in CV Screen Scope i used the CV Get Text but now the problem is CV Descriptor…
i want them dynamic