It would depend on how your company would like to use R. The different editions support different levels of integration with R. What the delineation is between basic support and advanced support, I don't really know. This link has the differences between the different editions:
Editions and supported features of SQL Server 2016
And then there are also other options where SQL Server is the data source for other tools to use with R. So you'd probably want to research that as well. If you search on: R language and SQL Server 2008, you can find some of the other options.