There are two ways of workflows to a Confluence - using the byline or by using the ‘Add Workflow’ option.
Using the Byline
Select the Workflows byline tag
This will open up the Byline where you will greeted with this:

Select the Add Workflow button to show the following dialog:

Select the Workflow you want to be added to the page and click Add page will refresh and Status will be displayed .

Using the Add Workflow
Within your Confluence page, use the Ellipses button (3 dots) on the right hand side of your page and click on Add Workflow
The Add Workflow dialog will open where you can select the Workflow you want to add to the page
Select the Add Workflow. Your page will refresh and the byline will display the current status of that page within the Workflow.