service account permissions

if i add the sql server serice account as a local adminsitrator on the sql server, do i need to specify any other permissions. i don't think so but i saw 2 documents that said the follwoing permissions need to be set and these are both different and do not match wha the microsoft site states as minimal permissions.
Should i ignore the following 2 suggestions if the sql server service account has local administrator rights on the sql server?
suggestion 1: add the following rights to the sql server service account:
-act as part of the operating system
-allow log on locally
-logon as batch job
-full control on all data drives
-stop, start, pause service
suggestion 2: add the following rights to the sql server service account:
-act as part of the operating system
-allow log on locally
-logon as batch job
-logon as a service
-replace as a process level mtoken