Ribbons - LiveDocs
The LiveDocs ribbon appears when you work in the LiveDocs pane of

Create/Use New
Register Local
Delete: Deletes the selected LiveDocs corpus. You cannot delete a corpus that is still in use in the project. First, remove it from the project: clear its check box.
Migrate: Converts an older LiveDocs corpus to be used in memoQ 8.

Use in project
Remove From Project: Removes the selected LiveDocs corpus from the current project. Same as clearing its check box.
Settings: Configures the

These icons work only if the selected LiveDocs corpus is added to the project.
Import Document: Imports one or more documents, and adds them to the current LiveDocs corpus. Displays an Open window. After that, the

These icons work only if the selected LiveDocs corpus is added to the project.
Add Alignment Pairs

These icons work only if the selected LiveDocs corpus is added to the project.
Export To TM: Exports the contents of the selected bilingual documents and alignment pairs to one or more translation memories. Opens the Export to TM window.
Remove: Removes the selected documents from the LiveDocs corpus. The document is deleted from the corpus, but it is not deleted from its original location.
Export
Import: Imports LiveDocs corpus contents from an XLIFF file. An Open window appears. You will need to choose languages and add keywords.
Toggle Read-Only: Prevents users from making changes to the LiveDocs corpus. This can be turned off, but it protects the LiveDocs corpus from accidental changes.

This works in Project home only.
If you have access to a memoQ TMS
At the top of the memoQ TMS section, there is a drop-down box where you can choose the server. Normally, it shows My Computer
To connect to a memoQ TMS button. You may need to log in to the memoQ TMS.
After you select a memoQ TMS, the list of LiveDocs corpora will include the corpora from your computer and from the server.
Manage Logins: Shows the memoQ TMS