Decoder ring applies!
OMS is Log Analytics is Azure Management Solutions.
Do you want to add solutions to your Azure subscription?
Pre-packaged visuals and insights on your data, whether azure or hybrid.
Adding Management Solutions
Login to the Azure Portal
Click on All Services
Type 'solutions', hit enter
Click star icon to favorite Solutions
Drag Solutions higher in your preferences (wasn't in above screenshot)
Click + to Add
Click on Security and Compliance
Don't forget solutions require MMA agents connected to a workspace to render any data/insights!
The Docs article lists how to use the management solutions