Yes, you can create workflows for SharePoint lists in SharePoint Designer, but they aren't the most robust workflows you may need for your organization.

Microsoft has still positioned SharePoint 2019 On-premises environment for custom solutions and applications that can be migrated over from business.

Microsoft is giving away SharePoint Designer 2007, an entry level application customization tool that previously cost $299.95, in order to get more customers innovating on the SharePoint platform.