Hi @Mario Vargas ,
I think you're looking for the solution of Office online server with SharePoint.
You can provide the account permission to access the file and remove the Edit and Download options from Office online.
About how to configure Office Online Server for SharePoint you can refer to this support article:
https://learn.microsoft.com/en-us/officeonlineserver/configure-office-online-server-for-sharepoint-server-2016/configure-office-online-server-for-sharepoint-server-2016
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.