Bluetooth is a wireless network technology defined by the IEEE 802.15 standard. Bluetooth devices can easily connect to each other. The Bluetooth standard specifies three Security Modes as ....
No Security, it can be allowed any other BT device to connect it. 2nd is Service Level Security, it supports authentication, encryption and last or 3rd is Link Level Security, it supports the same. Devices configured with 1st employs no security mechanisms. This type of connection should never be used to share sensitive information. 2nd one is the most flexible of the three and recommended.
And the 3rd one is the most secure but lacks the flexibility of 2nd one. All informations flowing between the devices is encrypted.
Remember, 2nd and 3rd security levels r implemented through a process known as pairing.
It is possible to do the same job, but choice is ur.
To directly answer your question - If you can pair them up, you can access your PC via SSH of RDP, if the remote device has applications for those type of connections.
We have a couple of iPad users (tyvm ITKE) that do that exact thing almost daily...