vacuum vs vacuum full

Hi,

We have a table of 3113GB, and we are planning to vacuum it in non
business hours i.e. 12AM to 4AM, So my queries are:

1. What should be perform on the table Vacuum or Vacuum full ?
2. Do we need to perform Analyze also?
3. Will the operation be completed in the given time frame? how to
check the same.
4. Who acquire lock on table vacuum or vacuum full.
5. If the activity goes beyond time frame, do we have any option to do
continue doing t without acquiring lock on the table ?

If you also need the structure of the table, Please let me know.

Please help me by responding my query wise.

Regards,
Atul