[links to] Sailfish User Manual [not a question]
After some deeper googling I also found the 'full user manuals':
https://jolla.zendesk.com/hc/en-us/categories/200392647-User-guides
For the phone guide you get redirected to own Jolla server (based on SF1):
https://jolla.com/guide/
For the tablet (SF2) this is located on zendesk:
https://jolla.zendesk.com/hc/en-us/articles/206260208-Jolla-Tablet-User-Guide
Jolla Service and Support
https://jolla.zendesk.com/hc/en-us