Kevin Chant offers a primer on Azure Synapse Analytics:
In reality, there are a lot of features within Azure Synapse Analytics where your SQL Server background can prove to be useful.
By the end of this post, you will have a good overview of Azure Synapse Analytics. In addition, where your SQL Server background can prove to be useful. Plus, there are plenty of links included in this post.
This is not the slimmest of primers, which makes sense given how broad Synapse is.