pdfmake supports both numbered and bulleted lists:
vardocDefinition={content:['Bulleted list example:',{// to treat a paragraph as a bulleted list, set an array of items under the ul key
ul:['Item 1','Item 2','Item 3',{text:'Item 4',bold:true},]},'Numbered list example:',{// for numbered lists set the ol key
ol:['Item 1','Item 2','Item 3']}]};