Hi Irfan,
Beacons only broadcast their IDs (if they use iBeacon standard) or a URL address (if they use Eddystone standard). They transmit very tiny packets of data, so it’s not possible to add any content to the beacons.
It’s mobile apps that actually trigger the content to appear and actions to happen. However, you don’t need to be an expert developer to get started with beacons. There are several platforms that make it possible to build your own iBeacon apps even without programming skills. Check: