You will find Data Sheets by entering the HSE module, and then choose Data Sheets in the horizontal menu on the top.
In this module you can upload relevant documentation that to want to have in the system, but don't feel fit in any other module: It can for example be a fabric index or a user guide for Foodora, Volt, a machine, or so on
Just press the add button and then you can either upload a PDF or just link to another web page
