You have the sections External Note and Internal Note available on Sales Quote header, but the text is not displayed on the full width of the view and both option to expand this fields is available from Adapt.
SAP Hybris Cloud for Customer.
Reproducing the Issue
Go to Sales work center.
Sales Quotes view.
Open Sales Quote ABC (ABC is a sales quote in the list).
Click on Adapt.
No option to expand the fields is available.
Currently the formatted text fields don't have the expand option delivered in header.
You can drag and drop the respective sections on Overview tab that will allow you to change the fields to full width.
External Note, Internal Note, Expand. , KBA , LOD-CRM-PM-SLS , C4C Product Management - Sales , Product Enhancement