File Id in my Google Drive? I do not know
Ehmm
It is true that in image, it displays only the first page or the whole pdf.
But according to the video, the preview in the picture works?
For the webview, use the model as in FileUrl above.
For the file ID, you already have it
it starts with 13pPn1Jq8W4…
In Google Drive, right click on the PDF file and choose Get Link
Ok Manu, thank you very much. I will test here
If this does not work in Webview change the user permission to All
What url is this FileNameURL?
I did not make it 
I did not succeed
Here is my FileName URL column
Thank you very much Manu.n! 
Even With
https://docs.google.com/viewer?embedded=true&url=https://drive.google.com/uc?id=13pPn1Jq8W4…
yes
zut,
a last test with this link
EDIT :: be careful, the webview is sometimes capricious and is not always displayed
sometimes you have to refresh the page
Good night Manu.n. I did not answer because as I am new here so I used all the credits that day. Your link above did not open for me here.
See Video
Hello,
I do not understand why because your document works with me.
Free Application and button with a Open Web View action
the adress is :
https://docs.google.com/viewer?embedded=true&url=https://drive.google.com/uc?id=13pPn1Jq8W49a8blf7xngHunxYtLH5k4D
EDIT:
I made a Test app for you, you can copy it :
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Hello Manu.n. It worked in the app. Occasionally does not open the pdf
Thank you very much!
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