Go to the lease tab
There is a icon on the far right, click this icon.
Select tenant, document will show, or upload a lease.
To upload use the upload button.
To download:
The file name once uploaded in cloud storage will be shown as a "link".
Click on the link and a download will start.
Note: Version control is managed by server date / time stamp, in seconds. Every version will be shown with a unique date time stamp