Are you asking about font size in the legend? Name= in vbar links to the keylegend statement, which can then control the size.
proc sgplot data=sashelp.iris;
vbar petalwidth /group=species datalabel datalabelattrs=(size=14) name='a';
keylegend 'a' / valueattrs=(size=12);
run;
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Yes, as I mention in my post, that blog has examples of all kinds of graphs with code examples. Use the search box on there to find specific things, or just scroll through and see the wonders they have come up with.
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