Microsoft Access Services does not support adding workflows on Microsoft SharePoint lists that contain the data for tables visible in an Access Services database.
Microsoft Access Services lists do not support custom workflows created in Visual Studio and do not support adding new workflows through the SharePoint user interface.
If you attempt to open a Microsoft Access Services site with SharePoint Designer to create a workflow, you will receive the expected message "This web site has been configured to disallow ediding with SharePoint Designer." Working with an Access Services web site through SharePoint Designer is not supported.
Microsoft Access 2010 Data Macros can be used to add logic to events that occur in the Access Services tables, such as adding, updating, or deleting data. The Data Macros created in the Microsoft Access user interface are stored in SharePoint as Workflows when an Access database is published to Access Services.