You can access Mercury user guides via Internal Docs at https://internaldocs.sdl.com/publications/Mercury
This site includes step by step guides on using various functions of Mercury:
Access to Internal Docs
Please connect to a VPN(fSDL)/VDI Solution(fMoravia) before opening Internal Docs. If you have an issue with logging onto Internal Docs, please first clear cookies of your Chrome browser per the below instruction:
https://support.google.com/accounts/answer/32050?co=GENIE.Platform%3DDesktop&hl=en
We recommend that you clear cookies at the end of each business day.
If you have issues in accessing Internal Docs after following the above procedure, please contact the Mercury team via Service Centre.