Sample SAS programs (located on: http://www2.census.gov/acs2007_1yr/summaryfile/0SASExamplePrograms/) are provided for users to demonstrate how to read and merge the geographic header file, estimate, margin of error, and standard error data files.

SAS Readme file:
SASReadme.pdf

Sample SAS Programs:
ACSsfGeo.sas
eak_0001.sas
mak_0001.sas
sak_0001.sas

SASCODE.zip - Contains 22,000+ SAS programs, one for each summary file, which can be used to convert each summary file into a SAS Dataset, which include table stubs

Here is an example of how to access the three different types of Summary File estimates for one table for all geographies from the ACS summary file.
It is recommended that you review this document before using this SAS program below.
http://www2.census.gov/acs2007_1yr/summaryfile/ACS_SF_2007_Worked_Exampleadvanced.pdf

Detailed example SAS program containing SAS macros:
http://www2.census.gov/acs2007_1yr/summaryfile/0SASExamplePrograms/summary_file_example_macros.sas