Executing a will, or carrying out the instructions in its text, can begin as soon as the will is filed with the probate court.The will may be filed as soon as the testator, who wrote the will, has passed away.
You can't get a power of attorney to act for someone after he's died, and an existing power of attorney becomes invalid upon the death of the principal—the individual who gave you the right to take certain actions on his behalf.
Perhaps your parent recently passed and you were named as his agent in a power of attorney (POA).
The two roles are divided by the event of the death.
In some cases, however, the agent in the POA might also be named as executor or administrator of the estate.
You're the individual he wanted to take care of certain personal business matters for him.