Anyone with access to files from Rakuten Drive can write comments and view other people's comments.
Comment on file
1. Login to rakuten-drive.com
2. Go to Rakuten Drive Cloud
3. Click the name of the file you want to comment on.
4. Compose comment in the right sidebar.
5. Press Enter on your keyboard or click Post.
Delete comment on file
1. Login to rakuten-drive.com
2. Go to Rakuten Drive Cloud
3. Click the name of the file you want to delete comment from.
4. In the right sidebar, Click Delete on the comment you want to delete.