how to add position tolerances
Assuming you're talking about a drawing view, select the relevant dimension and expand the dimension text tab. In that tab you should be able to find all the symbols you'll need to enter the position tolerances.
Alternatively, select it and open the tolerance/precision tab then go through the boxes there.
To build a feature control frame, on the annotations tab you should find the Geometric Tolerances feature. Select and then build the frame as needed. When you're done, you can click on a dimension to attach it.
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