I don't know what file to fix

In nextcloud version 27, how do I edit the menu screen that appears when I open a .pdf?
I would like to know the file path and file name in my environment with docker.

Unless you’re using S3 for Primary Storage or the path is located on an External Storage mount, you’ll find it underneath your configured datadirectory

All files are stored within your configured datadirectory. There is a home directory for each user.

https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html#datadirectory

I would like to edit the second part of the photo and remove the download button, can you tell me about the file name and file path to edit in the docker container?

image

Turn off the Download permission on the share:

https://docs.nextcloud.com/server/latest/user_manual/en/files/sharing.html#internal-shares-with-users-and-groups

We are looking for another way to implement this, as the shared party will not be able to see the file when they open it.