Yes, you can access your H drive from any computer with internet access using the virtual desktop.
This access will change when you leave the district. You will remain as part of the Pearland's student group for approximately one month after you graduate, meaning your access to email and your One Drive files stays as it was while you were a student on a temporary basis. When this expires, you will have limited access to the software, leaving you with reduced functionality - you'll be able to access and read your files but not edit them. We recommend you download all your files and transfer them to your personal computer, portable storage, or cloud storage.
Here is a solution to keep your files if you already have a personal One Drive: