Hello @davidep and @jospoortvliet, thanks for your replies and suggestions.
I've been kicking at this can for years (since I began using ownCloud I think version 7 or 8). I do use the files PDF viewer in Nextcloud and I prefer to use this plugin as it opens the PDF in the same window and it doesn't download the file (which is what could happen if I use the Chrome PDF viewer unless I set the workstation to now download). The Files PDF Viewer Plugin in Nextcloud does have extra buttons that I don't need on it but I can live with them since I know these are part of the PDS.js library and I don't expect Nextcloud to want or need to modify how that library works.
What my main issue is those Download options from within Nextcloud itself. The big Download button at the top of the page and the download option (behind the elipses for each file) are what I want to remove. I've been asking this question from ownCloud and now Nextcloud in their forums for years but the answer is always the same sadly...get into the code and change it myself.
I can fully understand why the download buttons are there...Nextcloud (and ownCloud) are document repository sharing applications. But having control over our documents is also built into Nextcloud/ownCloud so obviously having control is something Nextcloud feels is important which is why they built Apps for that.
Nextcloud has provided an Official App for document control called 'Files Access Control'. This app allows file shares to have editing or deleting removed if so desired. So obviously Nextcloud realizes that control over the files you share is something people need. But why then do they allow a download of the file? Yes this App assumes the owner of the file share doesn't want their files on their share to be modified (which is what the App is there for)...but what if the owner of the fileshare only wants people to read the file and not edit it or download it. As a document sharing repository giving full control over your documents (to edit and/or download it) is what people should have.
I realize my usecase is specific in that I'm using my fileshare to allow our employees to easily read their procedures online without having to shuffle through paper that they might lose. But I do hope my thoughts on document control with allowing or disallowing editing and downloading changes some minds at Nextcloud.
Straight up I'm not a developer so I don't have the means or the time to learn how to dig into the code to hack it for my needs. And I don't want to hack the code only to have the changes removed upon the next update to Nextcloud. Hopefully my little rant here will one day mean we have a little more control over our documents from Nextcloud and not just partial control. Ok..I know there are holes in what I'm trying to achieve and there are lots of ways probably that files can still be downloaded or modified without the file owners approval but I still feel stronly that editing, deleting and downloading should be options to any folders/files shared in Nextcloud.
Thanks for listening!