There are couple of options.
1. Use Tally.net to login as a Remote user. Data entry and Reports available, This is a Default Tally feature, only requiring valid Tally Subscription. (If Tally subscription expired then renewal cost 3600 for Single user Tally and 10800 for Multi User, Auditor version 5400) – our service charge 900 for SU and 1800 for MU

2. If only Reports required to be seen and no Data entry, then the latest Tally version has feature to login from any Browser – This is a Default Tally feature, only requiring valid Tally Subscription. – our service charge 900 for SU and 1800 for MU

3. If you want reports on your mobile without any dependence on your Tally Server being ON, then we have a mobile App which gets data synched automatically whenever your Tally is On. (Cost 1800 per year)

4. You can move your Tally license to cloud so that you can work from any computer 24/7 . Cost 6000 per year per user

5. we can convert your existing computer on which Tally is installed as a Cloud server by which multiple people from outside office can login and work on it. one time configuration (Rs. 3600)  and software license charges (Rs. 3500 per user)

6. if user is working independently on a data, you can take Tally on rent at monthly charges of Rs. 600