You can approve content in batch.
Note: Only for content with the same status
The steps are
With below interface
Pick relevant content
1. From content list, filter 'Approval status' ('Pending Approval' in the screen below)
2. Check relevant content on left hand side
Set status to 'Approved'
3. Choose 'Update Approval Status'
4. Choose 'Approved'
The batch job will be set in action.
Check update status
If everything goes smooth,
If there is any issue, you will need to download the file for status
An example of the error message