1. Same issue is observed for the below two dialogs.
1. Visually appearing heading 'Import Workspace' is not defined as heading programmatically. [Path: Home page-->activate 'Hamburger' menu-->Import workspace--> Popup] (Refer Attachment: Note_1_Visually appearing heading 'Create Workspace' is not defined as heading.png.)
2. Visually appearing heading 'Create Workspace' is not defined as heading programmatically. [Path: Home page-->activate 'Hamburger' menu-->Add new workspace--> Popup] (Refer Attachment: Note_2_Visually appearing heading 'Import Workspace' is not defined as heading.mp4).

1. Turn on Accessibility insights for web extension.
2. Navigate to the headings toggle control and turn it on.

1. Open the URL: Agora Home Page (PPE) in latest edge browser.
2. 'Agora home page (PPE)' will be displayed.
3. Navigate to 'Add a widget' control using tab key and activate it using enter key.
4. Navigate to 'Mark down' control in the list displayed using tab key and activate it using enter key.
5. 'Create text widget' dialog gets displayed.
6. Observe and verify whether visually appearing heading text 'Create Text Widget' is programmatically defined as heading or not.

1. Same issue repro on heading 'Workspaces & Dashboards' [appears on Home --> Header--> Hamburger menu--> Popup] (Refer Attachment: Note_1_Same issue repro on heading 'Workspaces & Dashboards'..mp4).
2. Heading hierarchy is not sequential in the Home page.

1. Open the URL: Agora Home Page (PPE) in latest edge browser.
2. 'Agora home page (PPE)' will be displayed.
3. Navigate to 'Hamburger' menu control using tab key and activate it using enter key.
4. 'Workspace and dashboards' popup will be displayed.
5. Navigate to 'Add dashboard' control in the list displayed using tab key and activate it using enter key.
6. 'Create Dashboard' dialog gets displayed.
7. Observe and verify whether visually appearing heading text 'Create Dashboard' in the dialog is not programmatically defined as heading or not.

Actual Result:

While navigating in table, Narrator is not announcing as 'enter table' and it is also not announcing rows and column information. while navigating in table, With arrow keys or table navigation keys or tab key, Narrator is announcing as 'end of line/blank'.

With caps-arrow keys, Narrator is giving row and column information.

Expected 
While navigating in table, Narrator should announce as enter table and it should also give row and column information. And while navigating with arrow keys or table navigation keys or tab key, Narrator should not announce as 'end of line/blank' instead it should give row or column information

Expected Result:
All components need an accessible name, ideally using semantic elements and attributes. In rare cases, aria-label or aria-labelled by may be needed to alter the name.

Screenshot attachment:

URL: https://agentcalendardevone.azurewebsites.net/SMBEntryForm.aspx?trg=testteam&campaign=Microsoft%20Internal%20Test%20Camapign

Screen Reader: NVDA (2021.3)

Repro Steps:

1. Open URL: SMB Scheduler (agentcalendardevone.azurewebsites.net) page in Edge Browser.

7. Observe an issue that Incorrect role 'link' is defined on button controls.

Actual Behavior:

Incorrect role 'link' is defined on button controls present on 'Calendar' popup.

Expected Behavior:

In this case, the expected role is {button}. All components need a proper role attribute, ideally with semantics. In rare cases a role attribute should be added to give full context and information to assistive technology. Learn more by reading about when to use an aria role and the html/aria role mappings.