Notices on Parent Portal
Under "My Notices"
You can scroll down to find the notice you are after. Then click on the heading to open it.
Alternatively, click "See All" - > see highlighted in red.
For the Notices created on daybook you need to view or sign, there is a link on that notice to open the daybook record straight away. see 2nd image below
if you can't find the notice, follow this instruction to find the daybook entry.